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: Environmental contaminants is one problem with current methods of aluminum production. Question: What is one problem with current methods of aluminum production?

SOLUTION: environmental contaminants

PROBLEM: Sentence: The energy in sunlight is also known as solar energy. Question: The energy in sunlight is also known as what kind of energy?

SOLUTION: solar energy

PROBLEM: Sentence: The simplest type of battery contains single cell. Question: The simplest type of battery contains what?

SOLUTION:
single cell