Q: In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
passage: Coca tea is legal in Colombia, Peru, Bolivia, Argentina, Ecuador, and Chile. However, its use is being discouraged in part by the Single Convention on Narcotic Drugs. Coca tea is illegal in the United States unless it is decocainized.
 question: is coca leaf tea legal in the us?
A:
No