Read the following question and then pick a category that describes the question.
Question: What animal causes the biggest threat to humans ?
What category is the question in? Choose one from Abbreviation, Entity, Description and abstract concept, Human being, Location, Numeric value. Respond with only the category and no additional text.
Entity
Human being, Description and abstract concept. (The question asks about a threat to humans, so it falls under the category of Human being. The question