Read the following passage and answer if the question is true or false.
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 tea legal in the united states?

Is the answer True or False? Respond with only "True" or "False" and no additional text.
False.