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

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:
Sodium chloride is an odorless white solid that is harmless unless consumed in large quantities.

Ex Output:
What is an odorless white solid that is harmless unless consumed in large quantities?


Ex Input:
Water and humidity is the critical factor for the survival of segmented worms.

Ex Output:

What is the critical factor for the survival of segmented worms?