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: Fires, mainly caused by what, are a natural disturbance in temperate grasslands? Answer: lightning

Ex Output:
Fires, mainly caused by lightning, are a natural disturbance in temperate grasslands.


Ex Input:
Question: Of the three types of skeleton designs - hydrostatic skeletons, exoskeletons, and endoskeletons - which do humans possess? Answer: endoskeleton

Ex Output:
Humans possess a(n) endoskeleton.


Ex Input:
Question: What is the most common life form in the ocean? Answer: plankton

Ex Output:

Plankton is the most common life form in the ocean.