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

[Q]: In circles way do particles of water move in deep water.
[A]: In which way do particles of water move in deep water?


[Q]: Combustion reaction occurs when a substance reacts quickly with oxygen.
[A]: What occurs when a substance reacts quickly with oxygen?


[Q]: New plants start sprouting two months later after a forest fire.
[A]:
When did new plants start sprouting after the forest fire?