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

Input: Consider Input: Covalent solutes separate into individual molecules when dissolved.

Output: Covalent solutes separate into what when dissolved?


Input: Consider Input: Simple carbohydrates can be classified in terms of chain length.

Output: Which carbohydrates can be classified in terms of chain length?


Input: Consider Input: In mammals, air is warmed and humidified in the nasal cavity.


Output: In mammals, air is warmed and humidified in what?