Ключевые слова: action, aggression, aggressive, anger, animal, attack, background, bite, bites, brindle color, brown, bull, bull terrier, canine, closeup, concept, dangerous, defender, defense, dog, emotion, english, furious, fury, green, guard, hand, hatred, invasive, malice, malicious, man, mouth, natural, people, pet, protection, quarterback, safeguard, safety, security, selective focus, spite, staffordshire, teeth, terrier, tiger, view, watchdog,