TASK DEFINITION: In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
PROBLEM: Sentence: The plasma membrane controls what goes in and out of a cell. Question: What controls what goes in and out of a cell?

SOLUTION: the plasma membrane

PROBLEM: Sentence: For an exothermic chemical reaction, energy is given off as reactants are converted to products. Question: For an exothermic chemical reaction, energy is given off as reactants are converted to what?

SOLUTION: products

PROBLEM: Sentence: Wells that produce petroleum does most natural gas come from. Question: Where does most natural gas come from?

SOLUTION:
wells that produce petroleum