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: The refrigerator door contains iron of the following statements best explains why magnets usually stick to a refrigerator door. Question: Which of the following statements best explains why magnets usually stick to a refrigerator door?
answer:
The refrigerator door contains iron.


question:
Sentence: The chains in cellulose stack in parallel rows held together by hydrogen bonds between hydroxl groups groups. Question: The chains in cellulose stack in parallel rows held together by hydrogen bonds between which groups?
answer:
hydroxl groups


question:
Sentence: An underwater spider uses shiny air bubble to breathe and keep alive. Question: What does an underwater spider use to breathe and keep alive?
answer:

shiny air bubble