Input:

Gamalost (also Gammelost, Gammalost), which translates as "old cheese", is a pungent traditional Norwegian cheese, which was once a staple of the Norwegian diet. Like many traditional Norwegian foods, such as flat bread, dry salted meats and stockfish, Gamalost could be stored for long periods without refrigeration.

Sentence: Jacob and his 12 sons are in the play.

Output: It's impossible to say

Input:

Sierpe River (Spanish: "Rio Sierpe") is a river of Costa Rica. Boat traffic is common with both locals and tourists. A broad range of wildlife can be seen from the American Crocodile, various other reptile species, and exotic fish and birds. It joins the Rio Terraba.

Sentence: Sierpe River is a navigable river

Output: Yes

Input:

Graduate were an English new wave/mod revival musical group formed in 1978, in Bath, England. They were only very mildly successful, and broke up by 1981. They are today best known as being the initial recording vehicle for future Tears for Fears members Roland Orzabal and Curt Smith, who found major international fame in the 1980s and 1990s.

Sentence: Tears for Fears had a great song called Mad World.

Output: It's impossible to say

Input:

Mystery is a 1990 novel by American author Peter Straub, and is the second installment in Straub's loosely connected "Blue Rose Trilogy". The novel falls into the genre of crime fiction, and was preceded by "Koko" and followed by "The Throat". The book was published by Dutton, won the 1993 Bram Stoker Award and was a 1994 WFA nominee

Sentence: The novel came out in the month of august

Output:
It's impossible to say