TASK DEFINITION: In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
PROBLEM: Sentence: Although it is the easiest to observe, color is not ideal as a sole way to identify minerals. Question: Although it is the easiest to observe, what property is not ideal as a sole way to identify minerals?

SOLUTION: color

PROBLEM: Sentence: Turbulent atmosphere does neptune's appearance change. Question: Why does neptune's appearance change?

SOLUTION: turbulent atmosphere

PROBLEM: Sentence: The opening in the front of the eye is called pupil. Question: What is the opening in the front of the eye called?

SOLUTION:
pupil