Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[EX Q]: Question: What kind of reaction is needed to prepare amides? Answer: carboxylic acid reaction
[EX A]: Amides are prepared by the reaction of a carboxylic acid with ammonia or an amine.

[EX Q]: Question: What are all scientific explanations and interpretations based on? Answer: facts
[EX A]: All scientific explanations and interpretations are based on facts.

[EX Q]: Question: What are the two most abundant elements in the universe? Answer: hydrogen and helium
[EX A]:
Hydrogen and helium are the most abundant elements in the universe.