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 is the study of how forces affect the motion of objects? 
Answer: dynamics. 
Sentence: Dynamics is the study of how forces affect the motion of objects.

SOLUTION: In Dynamics, we study how forces affect objects in motion.

PROBLEM: Question: Which statement best identifies a living thing that depends on another living thing to survive? 
Answer: A moose eats a plant. 
Sentence: A moose eats a plant statement best identifies a living thing that depends on another living thing to survive.

SOLUTION: A moose eating a plant is an example of one living thing depending on another for survival.

PROBLEM: Question: Vertebrata are characterized by the presence of what? 
Answer: backbone. 
Sentence: Vertebrata are characterized by the presence of backbone.

SOLUTION:
A backbone signifies vertebrata might be present.