TASK DEFINITION: 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.
PROBLEM: Question: What are genes composed of? 
Answer: DNA. 
Sentence: Genes are composed of dna.

SOLUTION: DNA is the material that genes are composed of.

PROBLEM: Question: All chemical reactions involve both reactants and what else? 
Answer: products. 
Sentence: All chemical reactions involve both reactants and products.

SOLUTION: All chemical reactions must include a reactant and a product.

PROBLEM: Question: In a comparison of metals to nonmetals, metals tend to have? 
Answer: greater conductivity and higher melting points than nonmetals. 
Sentence: In a comparison of metals to nonmetals, metals tend to have greater conductivity and higher melting points than nonmetals.

SOLUTION:
A metals to nonmetals comparison reveals that metals tend to have greater conductivity and higher melting points that nonmetals.