Given a passage and a question, find the answer to the question based on the passage. The answer should consist of only one word that lies in the span of only one of the sentences in the passage.

Example input: Paragraph: Nix v. Hedden , 149 U.S. 304 ( 1893 ) , was a decision by the Supreme Court of the United States that , under U.S. customs regulations , the tomato should be classified as a vegetable rather than a fruit . The Court 's unanimous opinion held that the Tariff Act of 1883 used the ordinary meaning of the words '' fruit '' and '' vegetable , '' instead of the technical botanical meaning .
Question: is tomato a fruit or vegetable us supreme court

Example output: vegetable
Example explanation: The answer 'vegetable' is correct as it lies in the sentence - "Nix v. Hedden , 149 U.S. 304 ( 1893 ) , was a decision by the Supreme Court of the United States that , under U.S. customs regulations , the tomato should be classified as a vegetable rather than a fruit ", which is a part of the passage.
Q: Paragraph: The Magic 8 - Ball is a hollow plastic sphere resembling an oversized , black - and - white 8 - ball . Inside , a cylindrical reservoir contains a white , plastic icosahedron floating in alcohol dyed dark blue . Each of the die 's 20 faces has an affirmative , negative , or non-committal statement printed in raised letters . These messages are read through a window on the ball 's bottom .
Question: how many answers are on a magic 8 ball

A:
20