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: Meteorites are often comprised of remnants of the earliest material that formed in the solar system. Question: What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system?

SOLUTION: meteorites

PROBLEM: Sentence: Overharvesting is a serious threat particularly to aquatic species. Question: Overharvesting is a serious threat particularly to which species?

SOLUTION: aquatic species

PROBLEM: Sentence: The oldest fossil of land plants date back 470 million years many millions of years. Question: The oldest fossil of land plants date back how many millions of years?

SOLUTION:
470 million years