Question: Where does the smell of vanilla come from?
Answer: as it dries
phenolic compounds crystallize
Disambiguated annotations:
qaPairs: question: From what source does vanilla and the smell of vanilla come from?
answer: orchids of the genus Vanilla
question: What part of the vanilla plant does the smell of vanilla come from?
answer: The fruit, a seed capsule, if left on the plant
question: What chemicals gives vanilla the smell of vanilla?
answer: phenolic compounds