TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The male reproductive system consists of structures that produce sperm and secrete testosterone.

SOLUTION: What does the male reproductive system consist of?

PROBLEM: The name for a matter that has a fixed volume and a fixed shape is solid.

SOLUTION: What is the name for a matter that has a fixed volume and a fixed shape?

PROBLEM: Seismologists originally measured the intensity of an earthquake with the mercalli scale.

SOLUTION:
How did seismologists originally measure the intensity of an earthquake?