TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Producers in an ecosystem generally get their energy from the sun.

SOLUTION: Where do producers in an ecosystem generally get their energy from?

PROBLEM: Living organisms are made up of biochemical type of carbon-based compounds.

SOLUTION: Living organisms are made up of what type of carbon-based compounds?

PROBLEM: Four many bases does dna have in total.

SOLUTION:
How many bases does dna have in total?