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

Input: Consider Input: Simple carbohydrates can be classified in terms of chain length.

Output: Which carbohydrates can be classified in terms of chain length?


Input: Consider Input: Cranium (skull) is the term for the skeletal structure of the head that supports the face and protects the brain.

Output: What is the term for the skeletal structure of the head that supports the face and protects the brain?


Input: Consider Input: Fish use some of their fins to propel themselves through the water and some of their fins to steer.
Output: Fish use some of their fins to propel themselves through the water and others to do what?