Water is located at apple. Flouride cannot have a location of at fast-food restaurant. Bake oven is located at donut shop. Cave cannot have a location of donut shop. Flouride cannot have a location of water. Water cannot have a location of at fast-food restaurant. Apple is located at greengrocer. Cave is located at city. Flouride cannot have a location of concern. Greengrocer is located at city. Billboard is located at city.
Water cannot have a location of greengrocer.