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: Building new homes in a wetland of these is most likely harmful to an ecosystem. Question: Which of these is most likely harmful to an ecosystem?

A: Building new homes in a wetland
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Q: Sentence: Iceland sits on the mid-atlantic ridge. Question: On which ridge does iceland sit?

A: mid-atlantic ridge
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Q: Sentence: Caecillians evolved from tetrapod ancestors. Question: What ancestors did caecillians evolve from?

A:
tetrapod
****