Input:

In 1999, Victor Conte was sent two vials of a new drug by a chemist he knew and he started giving it to some of his clients. Including says Conte, one of Americas most iconic sportswomen, Marion Jones, who was about to compete in the 2000 Sydney Olympics.

Sentence: Victor Conte had only one pair of shoes.

Output: It's impossible to say

Input:

Canoe Trip<br>One day I went to the Everglades with my friends. We went on a canoe trip through the many swamps. I looked over and saw an alligator that was as long as our canoe. Everyone was very nervous but the alligator just ignored us. Afterwards we all had great stories to tell about our canoe trip.

Sentence: The alligator did not attack the group.

Output: Yes

Input:

I'd like to come back to the question of nation building, but let me address the question directly, first. Fine. We did, actually, send troops into Rwanda to help with the humanitarian relief measures. My wife Tipper, who is here, actually went on a military plane with General Sholicatchvieli on one of those flights.

Sentence: Tipper flew on a plane

Output: Yes

Input:

2 is a compilation album of songs by the Spanish band Dover, released in 2007. It is a double CD greatest hits compilation from the band including singles: "Serenade", "Devil Came To Me" and "Loli Jackson" and featuring many singles and favourites from their past albums.

Sentence: 2 is the third album from Dover.

Output:
It's impossible to say