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 is the key to the demographic transition? Answer: reduced family size

Ex Output:
Reduced family size is the key to the demographic transition.


Ex Input:
Question: Similarity in biochemicals, like the glucose used by virtually all living things for energy, provides evidence of what? Answer: evolution

Ex Output:
Similarity in biochemicals, like the glucose used by virtually all living things for energy, provides evidence of evolution.


Ex Input:
Question: Roundworms exemplify what type of organization, where two or more types of tissues work together to perform a particular function as an organ? Answer: organ-level organization

Ex Output:

Roundworms exemplify organ-level organization, where two or more types of tissues work together to perform a particular function as an organ.