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

Example Input: A 50 ml graduated cylinder of the following tools would give the most precise measurement of 15 milliliters of water.
Example Output: Which of the following tools would give the most precise measurement of 15 milliliters of water?

Example Input: Wave amplitude and wavelength are two important measures of wave size.
Example Output: Wave amplitude and wavelength are two important measures of what?

Example Input: Apes and bats are the 2 primary hosts of ebola in central africa.
Example Output:
What are the 2 primary hosts of ebola in central africa?