Input:

A former philosophy teacher whose best-known novel, Sophie's World, was a surprise international best-seller.

Sentence: the former philosophy teacher was a woman.

Output: It's impossible to say

Input:

How to prevent bloating in dogs<br>Assess genetic risk factors. We are not entirely certain why bloat occurs but we do know that it can run in families. Determine your dogs relatives (littermate, parents) have had bloat.

Sentence: we don't know for sure why dogs experience bloating

Output: Yes

Input:

I would agree. And I also agree that most police officers, of course, are doing a good job and hate this practice also. I talked to an African-American police officer in Springfield, Massachusetts not long ago who raised this question and said that in his opinion one of the biggest solutions is in the training.

Sentence: I don't think most police officers are not doing a good job

Output: Yes

Input:

A Long Hike<br>Martha was in the middle of an extremely long hike. She was super tired and getting ready to give up. At this point she was so far in that turning back was useless. She forced herself to trudge through her laziness. When she did finish the hike, she felt thrilled and proud of herself.

Sentence: Martha had hiked many times before.

Output:
It's impossible to say