Given a scientific question, generate a correct answer to it.

Input: Consider Input: What layer is above the mesosphere?

Output: thermosphere

Input: Consider Input: Many adults and some children suffer from a deficiency of lactase. these individuals are said to be lactose intolerant because they cannot digest the lactose found in what?

Output: milk

Input: Consider Input: What term describes the orientation of a body lying face-down?
Output: prone