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

[Q]: 40 m/s north of the following represents the velocity of a moving object.
[A]: Which of the following represents the velocity of a moving object?


[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]: The largest known proteins are titins.
[A]:
What are the largest known proteins?