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

Cowie Castle is a ruined fortress in Aberdeenshire, Scotland. The site lies at the northern end of Stonehaven on the North Sea coast. To the immediate south is the Cowie Bridge crossing of the Cowie Water. Evidence of prehistoric man exists in the vicinity dating to the Iron Age in the form of ring cairns.
Hypothesis: Cowie Bridge is ruined like Cowie Castle.
****
Answer:
It's impossible to say

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: The Aristocrats is known to the public.
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Answer:
Yes

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

PSRB1919+21 is a pulsar with a period of 1.3373 seconds and a pulse width of 0.04 seconds. Discovered by Jocelyn Bell Burnell and Antony Hewish on November 28, 1967, it is the first discovered radio pulsar. The power and regularity of the signals were briefly thought to resemble an extraterrestrial beacon, leading the source to be nicknamed LGM-1 (for "little green men").
Hypothesis: PSR B1919+21 was discovered 200 years ago.
****
Answer:
No