if an plant diamonds other people for poison , then the plant is the prey
mustard_lewisite_poison is poisoning. poison_ash is not poisonous_plant. poison_ash is poisonous_plant. lewisite_poison is not blister_agent_poison. lewisite_poison is blister_agent_poison. arsenic is not poison. arsenic is poison. mustard_lewisite_poison is not poisoning. mustard_lewisite_poison is not blister_agent_poison. mustard_lewisite_poison is blister_agent_poison.