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

Robert Mills Delaney, sometimes incorrectly spelled Delany (1903-1956) was an American composer. He studied with Nadia Boulanger and Arthur Honegger in Paris, and was best known for his 1928 choral symphony, John Brown's Song, based on Stephen Benet's Pulitzer Prize winning poem "John Brown's Body".
Hypothesis: Robert Mills Delaney composed only one song throughout his lifetime.
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Answer:
It's impossible to say

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

The Enrolled Missouri Militia was a state militia organization of Missouri in 1862 during the American Civil War. It was a part-time force whose primary purpose was to serve as garrison and infrastructure guards, both to augment the Unionist Missouri State Militia in defense versus raids and to free the Missouri State Militia for offensive operations versus Confederate guerrillas and recruiters.
Hypothesis: The Enrolled Missouri Militia had Carl in it.
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Answer:
It's impossible to say

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

Corey Gibson, known professionally as Corey Chorus, is an American songwriter, record producer, vocal producer, sound engineer and publisher, known for having written songs such as Cheers (Drink to That) of Rihanna, Chica Bomb by Dan Balan, Made in the USA by Demi Lovato.
Hypothesis: He is know as Corey Chorus because he is an American songwriter.
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Answer:
It's impossible to say