TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The majority of human genes have two or more possible alleles.

SOLUTION: How many possible alleles do the majority of human genes have?

PROBLEM: A vapor light produces visible light by electroluminescence process.

SOLUTION: A vapor light produces visible light by what process?

PROBLEM: Four children born at one birth are called quadruplets.

SOLUTION:
What are four children born at one birth called?