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

Ex Input:
The climate is defined as the temperature plus precipitation of an area over a long period of time.

Ex Output:
What is defined as the temperature plus precipitation of an area over a long period of time?


Ex Input:
Hemodialysis has a patient’s blood pass through a length of tubing that travels through an artificial kidney machine.

Ex Output:
Which form of dialysis has a patient’s blood pass through a length of tubing that travels through an artificial kidney machine?


Ex Input:
The sun is considered the center of the solar system.

Ex Output:

What is considered the center of the solar system?