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: Along stream beds are liverworts most often found. Question: Where are liverworts most often found?
answer:
along stream beds


question:
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?
answer:
Building new homes in a wetland


question:
Sentence: Nitrogen is the most prevalent gas in the atmosphere, but not the most vital for life. Question: What is the most prevalent gas in the atmosphere, but not the most vital for life?
answer:

nitrogen