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

Ex Input:
A wall of rocks or concrete a called a groin.

Ex Output:
What is a wall of rocks or concrete called?


Ex Input:
Momentum is directly related to both mass and velocity.

Ex Output:
Momentum is directly related to both mass and?


Ex Input:
The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides this?

Ex Output:

The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides this?