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: Bacteria is usually the prey of a protist. Question: What is usually the prey of a protist?

A: bacteria
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Q: Sentence: Ion drives have low thrust but high efficiency. Question: Ion drives have low thrust but high what?

A: efficiency
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Q: Sentence: The long-lived isotopes require thousands of years to decay to a safe level in a nuclear reactor. Question: How long do the long-lived isotopes require to decay to a safe level in a nuclear reactor?

A:
thousands of years
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