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

Example Input: Hand lens tool should a student use to see the patterns on a small object.
Example Output: Which tool should a student use to see the patterns on a small object?

Example Input: Learned behavior is adaptive because they are flexible, capable of changing if the environment changes.
Example Output: What kind of behaviors are adaptive because they are flexible, capable of changing if the environment changes?

Example Input: The endocrine system produces most of the hormones that regulate body functions.
Example Output:
Which human organ system produces most of the hormones that regulate body functions?