TASK DEFINITION: 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.
PROBLEM: Question: Hot magma beneath the surface mixes with water and forms what? Answer: gas

SOLUTION: Hot magma beneath the surface mixes with water and forms gas.

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

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

PROBLEM: Question: Where would you find most pollution of ocean water? Answer: coastline

SOLUTION:
Coastline would you find most pollution of ocean water.