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.

Q: Sentence: When the core of a star begins to run low on hydrogen, it contracts. Question: What happens to the core of a star when it begins to run low on hydrogen?

A: it contracts
****
Q: Sentence: Exchange occurs directly with the external environment in unicellular organisms type of organisms. Question: Exchange occurs directly with the external environment in what type of organisms?

A: unicellular organisms
****
Q: Sentence: Compounds with aluminum and silicon are commonly found in the clay fractions of soils derived from volcanic ash. Question: Compounds with aluminum and silicon are commonly found in the clay fractions of soils derived from what?

A:
volcanic ash
****