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

Sarah Virginia Wade, (born 10 July 1945) is a former professional tennis player from Great Britain. She won three Grand Slam singles championships and four Grand Slam doubles championships, and is the only British woman in history to have won titles at all four Grand Slam tournaments. She was ranked as high as No. 2 in the world in singles, and No. 1 in the world in doubles.
Hypothesis: Sarah Wade played tennis in the U.S.
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Answer:
It's impossible to say

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

Edward Stourton, 10th Baron Stourton (c. 1555-7 May 1633) was a younger son of Charles Stourton, 8th Baron Stourton and Lady Anne Stanley, daughter of Edward Stanley, 3rd Earl of Derby. His father was executed for murder in 1557. He succeeded his brother John in 1588.
Hypothesis: Edward Stanley was edward stourton's grandfather.
****
Answer:
Yes

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

Phenazine is an organic compound with the formula (CH)N. It is a dibenzo annulated pyrazine, and the parent substance of many dyestuffs, such as the toluylene red, indulines, and safranines (and the closely related eurhodines). Phenazine crystallizes in yellow needles, which are only sparingly soluble in alcohol. Sulfuric acid dissolves it, forming a deep-red solution.
Hypothesis: It takes an hour for the deep-red solution to form
****
Answer:
It's impossible to say