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: 10 million years long can a large star be on the main sequence stage. Question: How long can a large star be on the main sequence stage?

SOLUTION: 10 million years

PROBLEM: Sentence: Terrestrial biomes are classified by climatic factors and types of primary producers. Question: What are classified by climatic factors and types of primary producers?

SOLUTION: terrestrial biomes

PROBLEM: Sentence: Carbon dioxide chemically weather rocks by creating acids. Question: How does carbon dioxide chemically weather rocks?

SOLUTION:
by creating acids