Input: 

Mullikkoräme zinc mine was active in Pyhäjärvi between the years 1989-2000. During this time 1.2 million tonnes of ore were mined. The ore contained in average 6.08% zinc, 0.30% copper and 17.05 sulphur also one tonne of ore contained 1.01 grams of gold. The ore from the mine was transported to the mine at Pyhäsalmi to be enriched. The ore was extracted during the years 1990-1993 and 1996-2000.

Sentence: They stopped extracting ore in 1994 and 1995 due to bad working conditions.

Output: It's impossible to say


Input: 

How to make edible sugar crystals<br>Tie cotton or wool string around a popsicle stick or a pencil. Using scissors, cut the string to 3/4 length of the jar you will use. Heat a small amount of water to boiling.

Sentence: Scissors can cut string.

Output: Yes


Input: 

The current Prime Minister Stephen Harper supported Mulroney's right to comment on Trudeau, "I think it's well known Mr. Mulroney was an opponent of Mr. Trudeau," Harper said. "He was his opposition leader and, as you know, came to power at the end of the Trudeau period when people wanted to make a change. I'll leave it to people who were there then to fight those battles. I think it's perfectly reasonable that they would comment. I think these are debates that are best left to some of the people who were around then and academics." Trudeau's former piers and friends have rallied behind his legacy and made public comments to dampen Mulroney's accusations.

Sentence: Mulroney has always supported Trudeau

Output: No


Input: 

Two persons were injured in dynamite attacks perpetrated this evening against two bank branches in this northwestern, Colombian city.

Sentence: The two people were men.

Output:
It's impossible to say