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: In pupa stage of their life cycle do insects begin developing their wings.

Answer: In what stage of their life cycle do insects begin developing their wings?

Question: The core of a star collapses during a supernova, forming a neutron star.

Answer: The core of a star collapses during what event, forming a neutron star?

Question: Remote-control vehicles are able to go to the deepest ocean floor.

Answer:
What type of vehicles is able to go to the deepest ocean floor?