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.

Input: Consider Input: Question: What makes nobel gases unreactive? Answer: its electon configuration

Output: Its electon configuration makes nobel gases unreactive.

Input: Consider Input: Question: What are drilled to monitor groundwater pollution? Answer: test wells

Output: Test wells are drilled to monitor groundwater pollution.

Input: Consider Input: Question: Exemplified by baring teeth, what type of displays are common in the animal kingdom, and sometimes serve as a 'bluff'? Answer: aggressive
Output: Exemplified by baring teeth, aggressive type of displays are common in the animal kingdom, and sometimes serve as a 'bluff'.