Input: 

How to grow african violets indoors<br>Buy pre-rooted african violets at a nursery, greenhouse or retail store. Because many houseplant enthusiasts grow african violets as part of their collection, they are usually easy to find. It's best to grow the violets from a pre-rooted plant, as growing african violets from seeds can be extremely difficult.

Sentence: Growing african violets from a pre-rooted plant is best.

Output: Yes


Input: 

Peeping Ted<br>Wendy had a neighbor named Ted. Wendy always thought that Ted was creepy. One day, she caught him spying on her through her window. She then put up security cameras around the outside of her house. This deterred Ted enough that he stopped spying on her.

Sentence: Wendy hired Ted's company to install the cameras.

Output: It's impossible to say


Input: 

How to say no to a child and mean it<br>Say " no " in a clear, firm tone. Start by saying " no " in a tone that is clear, firm, and in control. Raise your voice so the child can hear you but do not yell or scream when you say " no.

Sentence: Raising your voice to a child is a good way of telling them no.

Output: Yes


Input: 

We have to be bold. We have to provide leadership. Now it's true that we disagree on this. The governor said that he doesn't think this problem is necessarily caused by people. He's for letting the oil companies into the Arctic National Wildlife Refuge. Houston has just become the smoggiest city in the country.

Sentence: Houston became the second smoggiest city a few years after this was written

Output:
It's impossible to say