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

Input: Consider Input: Muscle groups are controlled by the motor cortex .

Output: Muscle groups are controlled by what mechanism?


Input: Consider Input: One gram of sugar or starch provides 4 calories of energy.

Output: How many calories of energy does one gram of sugar or starch provide?


Input: Consider Input: Covalents bonds result from the overlap of atomic orbitals.
Output: What bonds result from the overlap of atomic orbitals?