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

Example Input: Just as salty taste involves perception of sodium ions in saliva, sweet taste correlates with presence of glucose.
Example Output: Just as salty taste involves perception of sodium ions in saliva, what taste correlates with presence of glucose?

Example Input: Water can be boiled to kill giardia and most other pathogens.
Example Output: Water can be boiled to kill giardia and most other what?

Example Input: Cardiac muscle makes up most of the heart.
Example Output:
What type of muscle makes up most of the heart?