if one people have the same poison sink then those one people compete for poison
poisoner is killer. venom is poison. people has tried_to_catch_fish alcohol_poison is poisoning. blister_agent_poison is poisoning. sesquimustard_poison is mustard_gas_poison. many_criminals has weapons_to_hurt_other_people_with poisonous_spider_venom_poison is poisoning. one_and_one is foul_shot.