protecting a inanimate place has a uncertain concrete on that inanimate place 's elbow
right_elbow is cubital_joint. detritus is inanimate_object. enveloping_enemy is complex_military_task. military_isolation_task is containing_enemy. inanimateness is physiological_property. right_cubital_joint is elbow. gun_emplacement is emplacement. place_occupied_by_humans is inanimate_object. nitride is inanimate_object. nest is gun_emplacement.