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.

[EX Q]: Question: When do gases and liquids become solids? 
Answer: at low temperatures. 
Sentence: Gases and liquids become solids at low temperatures.
[EX A]: At low temperatures gases and liquids become solids.

[EX Q]: Question: Studies of earthquake waves have helped scientists determine the? 
Answer: structure of Earth's interior. 
Sentence: Studies of earthquake waves have helped scientists determine the structure of earth's interior.
[EX A]: By studying earthquake waves, scientists have been able to determine how earth's interior is structured.

[EX Q]: Question: Which characteristic is shared by all cells? 
Answer: They need energy. 
Sentence: All cells share the characteristic that they need energy.
[EX A]:
All cells can be characterized by their dependence on energy.