Input: 

How to become an elementary school teacher in florida<br>Obtain a bachelor's degree. Enroll in an education program to receive a degree from an accredited college or university. Consider majoring in education and specializing in the age group you want to teach.

Sentence: most elementary school teachers are men

Output: It's impossible to say


Input: 

I have got a comprehensive strategy to not only chase down the Al Qaida, wherever it exists -- and we're making progress; three-quarters of Al Qaida leaders have been brought to justice -- but to make sure that countries that harbor terrorists are held to account.

Sentence: Al Qaida is a group of terrorists

Output: Yes


Input: 

Mr. Mac Harb (Ottawa Centre, Lib.) moved for leave to introduce Bill C-393, an act to require federally regulated financial institutions, credit bureaus and federal corporations to advise consumers before giving any information on their financial history to a credit grantor or credit bureau and to allow for correction of a record following an objection by a consumer.

Sentence: There was a Bill C-392 before this bill.

Output: It's impossible to say


Input: 

Roger Federer started his journey as professional tennis player in 1998 and has been victorious on 20 of his 75 appearances at Grand Slam tournaments since. The 37-year-old has revealed two things that his unrivalled career has restricted him from doing and that he'd like to take up again in future. "Yes, skiing, just put on the skis and race downhill,” Federer said, when asked if there is anything that he misses. “It‘s been 10 years since I last was on skis, and I would love to eat more fondue.

Sentence: roger federer started pro tennis in 1998

Output:
Yes