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

Ex Input:
Tornadoes can occur in any.

Ex Output:
At what time of the year can tornadoes occur?


Ex Input:
In invertebrates group of animals several forms of asexual reproduction are found.

Ex Output:
In what group of animals several forms of asexual reproduction are found?


Ex Input:
Age causes reduction of elasticity in all organs.

Ex Output:

What causes reduction of elasticity in all organs?