Jack can treat physical damage.
A cutman is responsible for preventing and treating physical damage to a fighter. Cutmen appear in matches such as a boxing, kickboxing or a mixed martial arts bout.  Cutmen typically handle swelling, nosebleeds and lacerations.  Jack is a cutman.
∀x (Cutman(x) → Prevent(x, physicalDamage) ∧ Treat(x, physicalDamage)) ∀x (Cutman(x) → Appear(x, boxing) ∨ Appear(x, kickboxing) ∨ Appear(x, mixedMartialBout)) ∀x (Cutman(x) → Handle(x, swelling) ∧ Handle(x, nosebleeds) ∧ Handle(x, lacerations)) Cutman(jack)