You are given a question, its answer, and a sentence that supports the question, i.e., the answer to the question is inferable from the sentence. In this task, you need to paraphrase the given sentence so that the paraphrased sentence still supports the question i.e. you can still infer the answer to the question from the paraphrased sentence. Do not write a paraphrase with a minor change in the given sentence e.g. replacing the word "one" with "a". Instead, try to write a paraphrase that contains new words, i.e. the words that are not present in the input sentence.

Question: Which gas is given off by plants? 
Answer: Oxygen. 
Sentence: Oxygen gas is given off by plants.
Oxygen gas is produced by plants.

Question: What part of the sperm contains the nucleus? 
Answer: head. 
Sentence: The head of the sperm contains the nucleus.
Nucleus is found in the head part of the sperm.

Question: Compounds containing which element are the basis of all known life? 
Answer: carbon. 
Sentence: Compounds containing the element carbon are the basis of all known life.

Carbon compounds are the basis of all known life.