Input:

Ayacucho (] ) is a region of Peru, located in the south-central Andes of the country. Its capital is the city of Ayacucho. The region was one of the hardest hit by terrorism during the 1980s during the guerrilla war waged by Shining Path known as the internal conflict in Peru.

Sentence: Ayacucho is a large region of Peru.

Output: It's impossible to say

Input:

Having a hemisphere that is free for trade and peaceful is in our nation's interests. Strong relations in Europe is in our nation's interest. I've thought a lot about what it means to be the president. I also understand that an administration is not one person, but an administration is dedicated citizens who are called by the president to serve the country, to serve a cause greater than self, and so I've thought about an administration of people who represent all America, but people who understand my compassionate and conservative philosophy.

Sentence: Half of Europe doesn't want free trade with America

Output: It's impossible to say

Input:

Epiphyte is the name applied to the class of plants which typically do not root in the soil but, rather, attach themselves to trees or other tall objects where they can obtain light and moisture.

Sentence: An epiphyte does not need dirt to grow in.

Output: Yes

Input:

Bob, we relied upon a company out of England to provide about half of the flu vaccines for the United States citizen, and it turned out that the vaccine they were producing was contaminated. And so we took the right action and didn't allow contaminated medicine into our country. We're working with Canada to hopefully -- that they'll produce a -- help us realize the vaccine necessary to make sure our citizens have got flu vaccinations during this upcoming season.

Sentence: flu vaccines are in the united states

Output:
Yes