we want a machine to duke the hand of an potassium
c6_machine_gun is not belt_fed_automatic_firearm. c6_machine_gun is belt_fed_automatic_firearm. robotic_hand is not mechanical_device. robotic_hand is mechanical_device. c6_machine_gun is general_purpose_machine_gun. potassium is not unalloyed_metal. c6_machine_gun is not general_purpose_machine_gun. m60_machine_gun is not weapon. m60_machine_gun is weapon. string_quartet_might has cello_player