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: A metallic bond is the force of attraction between a positive metal ion and valence electrons. Question: What is the force of attraction between a positive metal ion and valence electrons?

SOLUTION: metallic bond

PROBLEM: Sentence: A reptile's metabolism doesn't generate enough energy to keep their body temperature stable. Question: A reptile's what doesn't generate enough energy to keep their body temperature stable?

SOLUTION: metabolism

PROBLEM: Sentence: Fire extinguisher of the following items is necessary in a laboratory for safety purposes. Question: Which of the following items is necessary in a laboratory for safety purposes?

SOLUTION:
Fire extinguisher