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

[Q]: Smaller size of ring will a summer drought cause in a tree.
[A]: What size of ring will a summer drought cause in a tree?


[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]: Simple carbohydrates can be classified in terms of chain length.
[A]:
Which carbohydrates can be classified in terms of chain length?