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.

Example Input: Question: What is the vector sum of all the torques acting on the object called? Answer: net torque
Example Output: The net torque is the vector sum of all the torques acting on the object. When adding torques it is necessary to subtract CW from CCW torques.

Example Input: Question: What are animal fats and oils such as olive and vegetable oil classified as? Answer: lipids
Example Output: A: Lipids that are fats include butter and the fats in meats. Lipids that are oils include olive oil and vegetable oil. Examples of both types of lipids are pictured in the Figure below .

Example Input: Question: What fertilizes an egg during sexual reproduction? Answer: sperm
Example Output:
Image copyright James Steidl, 2014. During sexual reproduction, a sperm fertilizes an egg . Used under license from Shutterstock. com.