Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Input: Consider Input: Learning to get used to something after being exposed to it for a while is associated with habituation learning.

Output: Learning to get used to something after being exposed to it for a while is associated with what kind of learning?


Input: Consider Input: Lipids are available to the body from three sources.

Output: Lipids are available to the body from how many sources?


Input: Consider Input: Differences in heating is the primary cause of air movement in the troposphere.


Output: What is the primary cause of air movement in the troposphere?