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: Why did people stop adding lead to gasoline? Answer: environmental pollution

Output: People stopped adding lead to gasoline because of environmental pollution.


Input: Consider Input: Question: Why do birds need a light-weight body? Answer: to stay aloft

Output: Birds need a light-weight body for to stay aloft.


Input: Consider Input: Question: What animal group can be found in every environment on earth, but primarily in the warm and moist tropics? Answer: insect


Output: Insect animal group can be found in every environment on earth, but primarily in the warm and moist tropics.