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: Process of desalinization helps provide cleaner water for agriculture.
Example Output: Which process helps provide cleaner water for agriculture?

Example Input: Carbon is the basis of all life on earth.
Example Output:
Which chemical element is the basis of all life on earth?