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.

Q: Question: What is a structure that is composed of one or more types of tissues? 
Answer: organ. 
Sentence: A(n) organ is a structure that is composed of one or more types of tissues.

A: An example of a structure that is composed of one or more types of tissues is an organ.
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Q: Question: Skunks spray a strong-smelling liquid to ___? 
Answer: defend themselves. 
Sentence: Skunks spray a strong-smelling liquid to defend themselves.

A: A strong smelling liquid is sprayed by skunks to defend themselves.
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Q: Question: Which statement best describes the Law of Superposition? 
Answer: In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks. 
Sentence: The law of superposition is best described by: in undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.

A:
If layers of sedimentary rock have not been disturbed, the Law of Superposition tells us that the lowest layers will contain older rocks than the higher layers.
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