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

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

Ex Output:
Muscle groups are controlled by what mechanism?


Ex Input:
The core of a star collapses during a supernova, forming a neutron star.

Ex Output:
The core of a star collapses during what event, forming a neutron star?


Ex Input:
Sleep is the layman's term for a state in which external stimuli are received but not consciously perceived.

Ex Output:

What is the layman's term for a state in which external stimuli are received but not consciously perceived?