context: Box is located at loft. Pen is located at box. Tuba is located at unswept house. Pen is a write instrument. Loft is located at city. Entertainment and food is located at unswept house. Box cannot have a location of draft. Box cannot have a location of pen. Box cannot have a location of prom. Box has a item. Tuba is located at city.
text: Box is located at pen.