Input: 

Prolonged exposure to UV-B light can cause sunburn, and there are worries that damage to the ozone layer may lead to an increase in the incidence of skin cancer.

Sentence: UVB light is bad for skin.

Output: Yes


Input: 

If we're an arrogant nation, they'll resent us. If we're a humble nation, but strong, they'll welcome us. And it's -- our nation stands alone right now in the world in terms of power, and that's why we have to be humble. And yet project strength in a way that promotes freedom.

Sentence: "If we're an arrogant nation, they'll resent us", "they" refers to the rest of the world.

Output: It's impossible to say


Input: 

Whereas the Government of Canada seeks to achieve sustainable development that is based on an ecologically efficient use of natural, social and economic resources and acknowledges the need to integrate environmental, economic and social factors in the making of all decisions by government and private entities;

Sentence: Canada and the USA seeks to achieve sustainable development.

Output: It's impossible to say


Input: 

Well, it may provide additional incentives for the patentee to exploit and promote and disseminate that particular work. With respect to creative works like works of art, books and that sort of thing, it 20 patentee, that there was a bargain in effect between the inventor and the Government that at a certain period of time it would become part of the public domain. It seems to me it's inconsistent with that.

Sentence: Something patented can eventually become part of the public domain. 

Output:
Yes