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

Example Input: Humans have 23 pairs pairs of chromosomes.
Example Output: How many pairs of chromosomes do human have ?

Example Input: Starches are complex carbohydrates that are the polymers of glucose.
Example Output: What complex carbohydrates are the polymers of glucose?

Example Input: You decrease errors in an experiment by take many measurements.
Example Output:
How do you decrease errors in an experiment?