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

Ex Input:
A(n) gastropods is noted for having its eyes at the tips of stalks or tentacles that emerge from its head.

Ex Output:
What type of creature is noted for having its eyes at the tips of stalks or tentacles that emerge from its head?


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

Ex Output:
What causes reduction of elasticity in all organs?


Ex Input:
Nematodes can be a parasite of both.

Ex Output:

Can nematodes be a parasite of plants, animals, or both?