After closing his book Kennedy thought about the question. He had an idea of what it was. He's never really quite put so much thought on it since he wasn't allergic to anything...yet.

He raised his hand. "An allergy is when the body is triggered by a certain substance that causes a person to react to it by sneezing, getting a rash, watery eyes or other symptoms," he said. "Some allergies may also be dangerous." he finished.