context: Envelope is located at desk. Pistol is located at in room. In room is located at book. Pistol cannot have a location of govern human behavior. Something is located at envelope. Bill cannot have a location of terrorist situation. Bill is located at envelope. Tank is located at govern human behavior. Desk is located at in room. Bill cannot have a location of her leisure. Desk is made of iron. Pistol cannot have a location of book.
text: Bill is located at desk.