Input: 

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

Sentence: the former philosophy teacher was American,

Output: It's impossible to say


Input: 

When we were making the case for Triumph, the $167.5 million grant to the University of British Columbia base research in folic physics and particle physics, one had to explain what this was about, but the most telling argument was the spin-off in high talent, high intelligence based industries in British Columbia.

Sentence: The grant could have been used for other things

Output: It's impossible to say


Input: 

That is why we intend to move an amendment which would ask the government to go beyond the initial motion and give some indication of whether or not the Liberals would have the fortitude on behalf of the Canadian people to not be a party to any international agreement which in future was found to compel us to export freshwater in bulk against our will.

Sentence: The Liberals will agree to this amendment.

Output: It's impossible to say


Input: 

Russian Trolls Tried To Influence Debate Over NFL Players Kneeling During Anthem NPR's Scott Simon speaks with Andrew Beaton of The Wall Street Journal about Russian twitter bots attempting to sow political discord in America by tweeting about football.

Sentence: Russian trolls are mean.

Output: