TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: One gram of sugar or starch provides 4 calories of energy.

SOLUTION: How many calories of energy does one gram of sugar or starch provide?

PROBLEM: Humans have 23 pairs pairs of chromosomes.

SOLUTION: How many pairs of chromosomes do human have ?

PROBLEM: Cloning is the only commercial way of reproducing plants such as orchids.

SOLUTION:
What is the only commercial way of reproducing plants such as orchids?