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

Ex Input:
Breast cancer is the most common type of cancer in adult females.

Ex Output:
What is the most common type of cancer in adult females?


Ex Input:
The opening in the front of the eye is called pupil.

Ex Output:
What is the opening in the front of the eye called?


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

Ex Output:

Muscle groups are controlled by what mechanism?