instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Socket secures teeth in the mouth.
answer:
What secures teeth in the mouth?


question:
Cells have four cycles.
answer:
How many cycles do cells have?


question:
A(n) exoplanet is often discovered because it causes a star to move or to dim.
answer:
What celestial body is often discovered because it causes a star to move or to dim?