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: What do ecosystems absorb on the earth? Answer: energy

Ex Output:
Energy do ecosystems absorb on the earth.

Ex Input:
Question: Elements below the second period, such as silicon, do not form what as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements? Answer: n bonds

Ex Output:
Elements below the second period, such as silicon, do not form n bonds as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements.

Ex Input:
Question: In a tropical rainforest, where are ferns common? Answer: understory

Ex Output:
In a tropical rainforest, understory are ferns common.