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: Organisms categorized by what species descriptor demonstrate a version of allopatric speciation and have limited regions of overlap with one another, but where they overlap they interbreed successfully? Answer: ring species
[EX A]: Organisms categorized by ring species species descriptor demonstrate a version of allopatric speciation and have limited regions of overlap with one another, but where they overlap they interbreed successfully.

[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 kind of beneficial relationships with other organisms are common in the plant kingdom? Answer: mutualistic
[EX A]:
Mutualistic relationships are a kind of beneficial relationships with other organisms that are common in the plant kingdom.