context: Fly cannot have a location of convention center. Wadded-up piece of paper is located at trash. Harlot cannot have a location of laboratory. I cannot have a location of in street. Trash is located at dustbin. I cannot have a location of convention center. I is located at fly. Fly is located at trash. Dustbin is located at utility closet. Harlot cannot have a location of utility closet. Spy is located at laboratory. Dustbin is a another name for garbage can.
text: Fly is located at utility closet.