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: On how many of the continents do birds live and breed? Answer: seven

Ex Output:
Birds live and breed on seven of the continents.


Ex Input:
Question: When magma reaches the surface through cracks in the earth's crust, what occurs? Answer: volcanic eruption

Ex Output:
When magma reaches the surface through cracks in the earth's crust, a volcanic eruption occurs.


Ex Input:
Question: The tidal forces near what celestial phenomena are so great they can actually tear matter from a companion star? Answer: black holes

Ex Output:

The tidal forces near black holes are so great they can actually tear matter from a companion star.