instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
For to synthesize glycogen purpose does liver use the excess carbohydrate.
answer:
For what purpose does liver use the excess carbohydrate?


question:
10 million years long can a large star be on the main sequence stage.
answer:
How long can a large star be on the main sequence stage?


question:
Sp 3 hybridization type of hybridization does ammonia undergo.
answer:

What type of hybridization does ammonia undergo?