TASK DEFINITION: In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.
PROBLEM: Question: What is a source of oxygen through photosynthesis? Answer: sunflowers.

SOLUTION: plants are a source of oxygen through photosynthesis

PROBLEM: Question: An example of biofuel could be? Answer: leaves.

SOLUTION: biofuel is used to produce electricity by burning

PROBLEM: Question: Jackrabbits' hind legs are? Answer: elongated.

SOLUTION:
long ears are used for releasing heat by a jackrabbit