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: Which single most factor is responsible for the extinction of hundreds of species of birds? Answer: human actions

Ex Output:
Human actions is responsible for the extinction of hundreds of species of birds.

Ex Input:
Question: Which planet is closest to the sun? Answer: mercury

Ex Output:
Mercury is closest to the sun.

Ex Input:
Question: What is the science of how traits are passed from parents to offspring? Answer: heredity

Ex Output:
Heredity is the science of how traits are passed from parents to offspring.