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: Petrichor ( / ˈpɛtrɪkɔːr / ) is the earthy scent produced when rain falls on dry soil . The word is constructed from Greek πέτρα petra , meaning `` stone '' , and ἰχώρ īchōr , the fluid that flows in the veins of the gods in Greek mythology .
Question: what is the name for the smell of rain

A:
Petrichor