In this task, you are given an article. Your task is to summarize the article in a sentence.

[EX Q]: A Northern Ireland company is reaping the benefits of an apparent worldwide fascination with tractors.
Gareth Gault is the brains behind Grassmen, a business built on the appeal of John Deere, Massey Ferguson and New Holland.
To his fans around the world, Gareth is better known as Donkey, the man behind the wheel of some powerful machinery.
It all started when he began watching farming videos with a friend.
Gareth explained: "We watched some DVDs that had been made about farming locally and we thought we could do that.  Slowly, we built up the courage and made one and it's just grown and grown."
The company's videos on YouTube have more than a million views.
It is a simple premise - big machines cutting grass. So what's the attraction?
"It's all around you," said Gareth. "The sunshine, the tractors... it's diesel, it's the noise. It's in the blood."
"The contractors that we videoed, I asked them the question why do you do it?  It's a disease; it's in the blood.
The business employs three people and has ambitions to increase its workforce in the near future.
It has received a helping hand from the development agency, Invest NI, which describes Grassmen as a "dynamic" company that is "really capitalising on social media channels".
Their online fans are global - outside the UK and Ireland, their biggest fans are from Norway.
Christian Lester from Scarva in County Armagh is a huge Grassmen fan.
"I watch the videos because they're class, and they show you how to do everything.  The harvesting is my favourite thing to watch because it's a bigger operation," he said.
"It raises hairs on the back of your spine.  It's awesome.
"My friends watch them too, they're mad about Grassmen.  We talk about all the videos and the tractors, we'd argue about which is better.
"I don't think city people get it.  There's a few would look at me when I have a Grassmen t-shirt on in Belfast, but everyone in the countryside gets it."
Twenty-three-year-old farmer Kirstie Ward, who features in many of the Grassmen films, explained why the field is her sanctuary.
"The world's locked out - you're at your own pace," she said.
"Of course you're concentrating, but you've nobody to answer to and everybody's good craic, everyone looks after one another and it's just... peace."
[EX A]: They're movie makers, but not as we know it.

[EX Q]: President Trump had said he was praying for the victims, but added that "states that sponsor terrorism risk falling victim to the evil they promote".
But Javad Zarif said Iran "rejected such claims of friendship" and claimed the attackers from so-called Islamic State had been "backed by US clients".
Thirteen people died in the attacks.
Gunmen and suicide bombers targeted parliament and the mausoleum of Islamic Republic founder Ayatollah Khomeini, in an unprecedented twin assault that lasted several hours on Wednesday morning.
Iran says the attackers, all of whom were killed, were Iranians who had joined IS. The militant group has threatened further assaults on Iranian Shia Muslims.
In an earlier tweet, Mr Zarif appeared to blame its regional rivals for the attack, saying: "Terror-sponsoring despots threaten to bring the fight to our homeland. Proxies attack what their masters despise most: the seat of democracy."
Sunni-ruled Saudi Arabia - a key US ally - and Shia-majority Iran back opposing sides in conflicts across the region.
The Saudi authorities have given money and weapons to hardline Islamist rebel factions seeking to overthrow Syrian President Bashar al-Assad - Iran's staunch ally. Saudi-based charities and individuals have also been accused of financing Sunni extremist groups across the region over the past two decades.
President Trump visited Saudi Arabia last month and made a speech blaming Iran for regional instability.
Iran's powerful Islamic Revolution Guards Corps (IRGC) have already accused Saudi Arabia and the US of being behind the attacks. Both countries have condemned the violence.
However, Iranian Supreme Leader Ayatollah Ali Khamenei has downplayed the attack's significance, saying terrorists "fumbling with firecrackers" would not "affect the will of our nation".
It comes amid heightened tensions in the Middle East, with Saudi Arabia and other Arab states cutting ties with Qatar over alleged support for Islamist militants in the region and closer ties with Iran.
Claiming the attack, IS posted a video which showed what it claimed was footage from inside the parliament building.
A voice is heard saying, in Arabic: "We're not going anywhere. We're staying forever."
BBC Persian's Jenny Norton says that despite Iran's active involvement in fighting IS in both Iraq and Syria, the Sunni group has not until now carried out any attacks inside Iran, and appears to have little support in this predominantly Shia country.
However, our analyst says, in recent months the group has stepped up its Farsi-language propaganda efforts - targeting Iran's restive Sunni minority.
Iranian intelligence agencies claim to have foiled a number of IS-inspired plots.
But by mounting a successful attack, IS could claim a major coup against a traditional foe that other Sunni jihadist groups, including its rival al-Qaeda, have failed to target in the past.
Middle East analyst Dina Esfandiary says one possible consequence will be increased calls by hardliners for tougher action against IS in Iraq and Syria.
Public support for action in Iraq is likely to grow, as it did when IS took swathes of territory in the country in 2014.
But Iran's involvement in Syria is not popular, our analyst says - it is seen as having few benefits and costing too many Iranian lives.
The attacks will also boost the popularity of the Revolutionary Guards, seen as protectors of the nation.
[EX A]: Iran's foreign minister has denounced as "repugnant" a White House statement on Wednesday's terror attack in Tehran that said Iran was a "terror sponsor".

[EX Q]: The blast happened during a religious celebration in Jesus Tepactepec, a village in Tlaxcala state.
Villagers had been taking part in a procession when a firework accidentally landed on the vehicle, reports say.
Fourteen ambulances, a mobile medical unit and two air ambulances were sent to the village to treat the wounded.
Many of the injured were taken to hospital in neighbouring Puebla state.
"My God, this is a tragedy," said the Bishop of Tlaxcala, Francisco Moreno, who was at the scene of the explosion.
The state governor, Mariano Gonzalez, ordered all hospitals in the region to treat the victims of the explosion.
"People were taking part in a religious procession in Jesus Tepactepec when a rocket landed on a truck carrying a large quantity of fireworks," said the civil protection director for Tlaxcala state, Jose Mateo Morales.
He said the number of victims could increase, as the street was full of people making preparations for the celebration of the village's patron saint, Jesusito.
[EX A]:
At least 12 people died and dozens more were hurt when a small lorry loaded with fireworks exploded in a small village in central Mexico.

