- An elk is a kind of animal
- Wolves eat elk
- A predator eats other animals for food
- Therefore, wolves are predators to elk

Hence, wolves are predators to elk
Q: Wolves kill many elk every year and often attack old, sick, and injured members of a herd. Which of the following best describes the role of the wolves in the wolf-elk relationship?
Context:
- An elk is a kind of animal 
- Wolves eat elk 
- A predator eats other animals for food