instruction:
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.
question:
Sentence: Digestion begins in the gastrovascular cavity. Question: Where does digestion begin?
answer:
gastrovascular cavity


question:
Sentence: Aerobic exercise helps improve the cardiovascular system, while anaerobic exercise causes muscles to get bigger and stronger. Question: Aerobic exercise helps improve the cardiovascular system, while what exercise causes muscles to get bigger and stronger?
answer:
anaerobic


question:
Sentence: Echinoderms possess a water-based circulatory system. Question: What kind of system do echinoderms possess?
answer:

water-based circulatory