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 Input:
Question: What device is used to stop a current in a circuit? Answer: a switch

Ex Output:
Understand current as it passes through a series circuit.

Ex Input:
Question: What is usually necessary to develop cancer? Answer: multiple genes mutations

Ex Output:
Usually mutations in multiple genes are necessary to develop cancer.

Ex Input:
Question: Why is blue cheese blue? Answer: fungus

Ex Output:
Stuart Webster. Blue cheese is blue because of the fungus growing throughout it. . CC BY 2.0.