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.

Sentence: Its food preference is a characteristic of a dog that is most likely a result of its environment. Question: Which is a characteristic of a dog that is most likely a result of its environment?
its food preference

Sentence: The amount of energy required to begin a chemical reaction is known as the activation energy. Question: What is the amount of energy required to begin a chemical reaction known as?
activation energy

Sentence: The innate immune system serves as a first responder to pathogenic threats that bypass natural physical and chemical barriers of the body. Question: What serves as a first responder to pathogenic threats that bypass natural physical and chemical barriers of the body?
innate immune system