Input:

Arturo Guzman Decena (a.k.a. Z-1) (13 January 1976 21 November 2002) was a Mexican Army Special Forces operative who in 1997 defected to the Gulf Cartel and subsequently founded the criminal syndicate's enforcement wing at the behest of drug baron Osiel Cardenas Guillen. Known today as Los Zetas, the cartel's armed wing ultimately broke apart and formed its own drug trafficking organization.

Sentence: Decena died during Obama's presidency.

Output: No

Input:

Louis S. Peterson (June 17, 1922 April 27, 1998) was a playwright, actor, screenwriter, and professor. He was an American playwright and the first African-American playwright to have a dramatic play produced on Broadway. He was also one of the first African-American writers to be nominated for an Emmy Award.

Sentence: Louis Peterson had only one daughter

Output: It's impossible to say

Input:

Ajay Nagrath is an Indian television and movie actor and is the son of Bollywood actor Anil Nagrath. Currently, he plays the role of "Pankaj" in C.I.D. He has done many roles in many TV shows and even films, but there came a point in his life when he was unhappy that his weight had become his identity in the industry. He said "I used to be a couch potato."

Sentence: Ajay Nagrath was a self proclaimed couch potato

Output: Yes

Input:

David K. Lam is a Chinese-born American technology entrepreneur. He founded Lam Research Corporation in 1980. He presently serves as Chairman of Multibeam Corporation (Santa Clara, CA), which manufactures complementary electron beam lithography (CEBL) systems. He also heads the David Lam Group, an investor and business advisor for high-growth technology companies.

Sentence: David Lam will step down as Chairman of Multibeam Corporation next year.

Output:
It's impossible to say