sentences: barney has a scar on his ear
docs: callus is scar. scar is symptom. barney_oldfield is person. barney is costume_of_purple_dinosaur. sword_cut is scar. scar is disease. myocardial_scar is tangible_thing. scar is characterization. myocardial_scar is scar. people_think_rollercoasters is scarry.