TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The metallic bond is responsible for the properties of metals.

SOLUTION: What is responsible for the properties of metals?

PROBLEM: Bones are made up of different types of tissue.

SOLUTION: Bones are made up of different types of what?

PROBLEM: Low energy causes waves to bring sand up onto the beach during summers.

SOLUTION:
What causes waves to bring sand up onto the beach during summers?