A pharmacologically active compound produced by growing microorganisms which kill or inhibit growth of other microorganisms. Penicillin; Cephalosporins; Antibiotics.
(=> (Antibiotic ?Self)
(And (Exists (?A)
(And (Production-Host ?Self ?A)
(Microorganism ?A)
(Exists (?B)
(And (Embodies ?A ?B) (Growth ?B)))))
(Exists (?C)
(And (Inhibits ?Self ?C)
(Growth ?C)
(Exists (?D)
(And (Embodied-In ?C ?D)
(Microorganism ?D)))))))