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

Charles Rashad Jamaal Brown (born April 10, 1987) is a former American football offensive tackle in the National Football League (NFL) for the New Orleans Saints, New York Giants and Dallas Cowboys. He played college football at USC, where he won the Morris Trophy, recognizing the best offensive and defensive linemen on the West Coast in 2009.
Hypothesis: Brown played seven seasons in the NFL.
****
Answer:
It's impossible to say

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

The Battle of Maldon is the name given to an Old English poem of uncertain date celebrating the real Battle of Maldon of 991, at which the Anglo-Saxons failed to prevent a Viking invasion. Only 325 lines of the poem are extant; both the beginning and the ending are lost.
Hypothesis: The poem's beginning and ending are lost, but had existed for long time after it was written.
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Answer:
It's impossible to say

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

When a ship is purchased for importing and exporting goods, a ship management team is required to maintain and operate the vessels. The function of the management team is to provide the owner with support throughout the occupancy or charter of the vessel. Vessels can range in sizes and function.
Hypothesis: A ship management team is unnecessary after a ship has been purchased.
****
Answer:
No