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

Input: Consider Input: Unlike ammonia, oxygen cannot be liquefied at room temperature because its critical temperature is below room temperature.

Output: Unlike ammonia, oxygen cannot be liquefied at room temperature because its what is below room temperature?

Input: Consider Input: According to the english system measurement, 4 cups much is equal to 2 pints, 1 quart, and of a gallon.

Output: According to the english system measurement, how much is equal to 2 pints, 1 quart, and of a gallon?

Input: Consider Input: Newton's second law of motion is more than a definition; it is a relationship among acceleration, force, and mass.
Output: Newton's second law of what is more than a definition; it is a relationship among acceleration, force, and mass?