Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

The core of a star collapses during a supernova, forming a neutron star.
The core of a star collapses during what event, forming a neutron star?

Darwin believed in gradualism.
Did darwin believe in punctuated equilibrium or gradualism?

Fire extinguisher of the following items is necessary in a laboratory for safety purposes.

Which of the following items is necessary in a laboratory for safety purposes?