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: Ice cubes are an example of which form of water? 
Answer: Solid. 
Sentence: Ice cubes are an example of the solid form of water.

SOLUTION: An example of the solid form of water are ice cubes.

PROBLEM: Question: In which part of a plant cell does photosynthesis occur? 
Answer: chloroplast. 
Sentence: Photosynthesis occurs in the chloroplast.

SOLUTION: Chloroplasts cannot be found in animal cells, only plant cells. This is because it is where photosynthesis happens; a process animal cells do not undergo.

PROBLEM: Question: What type of mirror is shaped like the outside of a bowl? 
Answer: convex. 
Sentence: A convex mirror is shaped like the outside of a bowl.

SOLUTION:
A mirror is convex when it is shaped like the outside of a bowl.