In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Ex Input:
Question: Overharvesting is a serious threat particularly to which species? Answer: aquatic species

Ex Output:
Overharvesting is a serious threat particularly to aquatic species.

Ex Input:
Question: What is the hollow and muscular balloon-shaped organ that collects urine? Answer: urinary bladder

Ex Output:
The urinary bladder is the hollow and muscular balloon-shaped organ that collects urine.

Ex Input:
Question: Which observation demonstrates that light waves travel much faster than sound waves? Answer: An exploding firework is seen before it is heard.

Ex Output:
An exploding firework is seen before it is heard observation demonstrates that light waves travel much faster than sound waves.