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.

Example Input: Question: What do you call the hard case that surrounds the soft parts of some animals? Answer: exoskeleton
Example Output: You call the hard case that surrounds the soft parts of some animals the exoskeleton.

Example Input: Question: What muscles are used to pump water over the gills? Answer: jaws and pharynx
Example Output: Jaws and pharynx muscles are used to pump water over the gills.

Example Input: Question: What is responsible for the properties of metals? Answer: the metallic bond
Example Output:
The metallic bond is responsible for the properties of metals.