instruction:
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.
question:
Question: On how many of the continents do birds live and breed? Answer: seven
answer:
Birds live and breed on seven of the continents.


question:
Question: Of the nine classes of vertebrates, how many are fish? Answer: five
answer:
Of the nine classes of vertebrates, five many are fish.


question:
Question: What do you call the set of seventeen chemical elements possessing particular importance for a variety of industrial processes, used frequently in modern technology? Answer: rare earth metals
answer:

Rare earth metals do you call the set of seventeen chemical elements possessing particular importance for a variety of industrial processes, used frequently in modern technology.