Input: 

Although Schneider's father, Marvin, died of complications from diabetes only two weeks after "Deuce Bigalow" was released, his Filipino mother Pilar continues to live in Pacifica.

Sentence: Schneider's father, Marvin wishes Rian Johnson had never been born.

Output: It's impossible to say


Input: 

Anderson Silva and Jacare Souza provide the media with a look in on their preparations for UFC 208 at X-Gym on Thursday afternoon. Silva’s last victory in the UFC was all the way back in 2012 against Stephan Bonnar. Silva in 2017 is a 41-year-old veteran who is preparing to take on middleweight contender Derek Brunson at UFC 208 on Feb. 11 from Brooklyn, New York. ‘The Spider’ is certainly not underestimating Brunson:

Sentence: The fight is scheduled for 5 rounds.

Output: It's impossible to say


Input: 

Self-sufficiency has been turned into a formal public awareness campaign in San Francisco, by Mayor Gavin Newsom.

Sentence: Newsom is the mayor.

Output: Yes


Input: 

Mr. Speaker, for two years the Canadian government has been engaged in secret negotiations on the multilateral agreement on investment, an agreement which goes well beyond the provisions of NAFTA in ceding power to multinationals and threatens to diminish even further the rights of nations to direct their own economies, provide safe and decent working conditions and protect the environment for future generations.

Sentence: for three years the Canadian government has been engaged in secret negotiations

Output:
No