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

Ex Input:
Do particles collide more in two reactants fluid they are both in fluid forms or solid forms.

Ex Output:
Do particles collide more in two reactants when they are both in fluid forms or solid forms?


Ex Input:
Photoautotrophs and chemoautotrophs are two basic types of autotrophs.

Ex Output:
Photoautotrophs and chemoautotrophs are two basic types of what?


Ex Input:
Pheromones enable communication, which is vital for organisms like ants that live in a large community.

Ex Output:

Pheromones enable what, which is vital for organisms like ants that live in a large community?