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: Which of these can be mined from Earth and used as an energy source? 
Answer: Coal. 
Sentence: Coal of these can be mined from Earth and used as an energy source.

SOLUTION: Coal can be mined from earth to use as an energy source.

PROBLEM: Question: Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as what? 
Answer: embryos. 
Sentence: Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as embryos.

SOLUTION: An embryo's development can place invertebrates (and higher animals) in one of two groups.

PROBLEM: Question: Which object helps people understand what makes up white light? 
Answer: Prism. 
Sentence: A prism helps people understand what makes up white light.

SOLUTION:
A prism can be useful in displaying the makeup of white light?.