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

[EX Q]: By using fructose can you prevent your ice cream from getting a sandy texture.
[EX A]: How can you prevent your ice cream from getting a sandy texture?

[EX Q]: Lying with their mouths open, a behavior called gaping, probably serves the function of cooling down for crocodiles.
[EX A]: Lying with their mouths open, a behavior called gaping, probably serves what function for crocodiles?

[EX Q]: The ability of matter to combine chemically with other substances is known as reactivity.
[EX A]:
The ability of matter to combine chemically with other substances is known as?