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

Example Input: Duplicating the results of an experiment process will most likely lead to the scientific acceptance of a hypothesis.
Example Output: Which process will most likely lead to the scientific acceptance of a hypothesis?

Example Input: Bees are naturalized on every continent except antarctica.
Example Output: Bees are naturalized on every continent except which?

Example Input: After the pollen tube does the diploid zygote form.
Example Output:
When does the diploid zygote form?