Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Pleiotropic effects causes symptoms associated with sickle-cell disease.

Answer: What causes symptoms associated with sickle-cell disease?


Question: If a substance has a ph value greater than 7,that indicates that it is base.

Answer: If a substance has a ph value greater than 7, what does it indicate?


Question: Plants make starches to store extra glucose.

Answer:
What do plants make to store extra glucose?