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 Q]: Question: All species of crocodilians have similar body structures, including an elongated snout, powerful jaws, muscular tail, large protective scales, streamlined body, and eyes and nostrils that are positioned on what? Answer: top of head
[EX A]: All species of crocodilians have similar body structures, including an elongated snout, powerful jaws, muscular tail, large protective scales, streamlined body, and eyes and nostrils that are positioned on top of head.

[EX Q]: Question: Under which conditions would a sugar cube dissolve most quickly when placed in a liter of water at room temperature? Answer: A crushed sugar cube is added and the water is stirred.
[EX A]: Under a crushed sugar cube is added and the water is stirred conditions would a sugar cube dissolve most quickly when placed in a liter of water at room temperature.

[EX Q]: Question: What is the layer outside the cell wall in a prokaryote? Answer: capsule
[EX A]:
The capsule is the layer outside the cell wall in a prokaryote.