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.

Sentence: Combustion reaction occurs when a substance reacts quickly with oxygen. Question: What occurs when a substance reacts quickly with oxygen?
combustion reaction

Sentence: Three many pairs of autosomes are there. Question: How many pairs of autosomes are there?
three

Sentence: Rock containing fossilized seashells found on a mountaintop of the following provides the best evidence that earth has evolved over geologic time. Question: Which of the following provides the best evidence that Earth has evolved over geologic time?

rock containing fossilized seashells found on a mountaintop