Problem:
Read the following paragraph and determine if the hypothesis is true:

"The Aristocrats" (also called "The Debonaires" or "The Sophisticates" in some tellings) is a taboo-defying off-color joke that has been told by numerous stand-up comedians since the vaudeville era. The joke was the subject of a 2005 documentary film of the same name. It received publicity when it was used by Gilbert Gottfried during the Friars' Club roast of Hugh Hefner in September 2001.
Hypothesis: Gilbert Gottfried has never participated in a Friar's Club roast.
****
Answer:
Yes

Problem:
Read the following paragraph and determine if the hypothesis is true:

Porl King, born 19 October 1967 on the Wirral Peninsula in England, first achieved public acclaim and success as the singer, songwriter and guitarist for the goth band Rosetta Stone from their inception in the late 1980s through to their demise in 1998. Since disbanding Rosetta Stone in 1998, he has pursued a career in digital audio and Pro Tools production.
Hypothesis: Porl King was the one who picked the name Rosetta Stone for his band
****
Answer:
It's impossible to say

Problem:
Read the following paragraph and determine if the hypothesis is true:

The 1921 NCAA football season had no clear-cut champion, with the "Official NCAA Division I Football Records Book" listing California Golden Bears, Cornell Big Red, Iowa Hawkeyes, Lafayette Leopards, Washington & Jefferson Presidents, and Vanderbilt Commodores as champions. Only California, Cornell, and Lafayette claim national championships for the 1921 season.
Hypothesis: The 1921 NCAA football season had no clear-cut champion, and listed over four teams as champions.
****
Answer:
Yes