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: Demagnetization is the process in which a magnet loses its magnetic properties.

Answer: What is the process called in which a magnet loses its magnetic properties?


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: The pupil of the eye allows light to enter.

Answer:
What part of the eye allows light to enter?