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

The Yokosuka B4Y, (Navy Type 96 Carrier Attack Bomber), carrier torpedo bomber was used by the Imperial Japanese Navy Air Service from 1936 to 1943. The B4Y replaced the Mitsubishi B2M2 and was the last biplane bomber used operationally by the Imperial Japanese Navy. The Allied reporting name was "Jean".
Hypothesis: Whenever Allied forces spotted a Yokosuka B4Y, they would use the name "Jean".
****
Answer:
Yes

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

Many science fiction works have been set in the 21st century (years 2001 to 2100). With humanity now in the 21st century, many of the predictions of these works have so far been proven obsolete. This page lists only "predictions" regarding the 21st century, as opposed to contemporary accounts of the actual 21st century, which would be too numerous to list.
Hypothesis: Science fiction novels set in the 21st century are more popular than contemporary accounts of the actual 21st century.
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Answer:
It's impossible to say

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

Boban Rajovic (] , born 25 December 1971) is a Danish-born Montenegrin singer popular in former Yugoslavia. Some of his big hit songs include "Usne boje vina" ("Lips the Color of Wine") and "Provokacija" ("Provocation".) He has lived in Belgrade since 2000.
Hypothesis: Boban Rajovic's parents were not Danish
****
Answer:
No