context: Ad cannot have a location of shelf. Ad is located at stock certificate. First class airline seat cannot have a location of 5-year old child pillow. First class airline seat is located at airplane. Sky is located at paint. Unused item is located at stock certificate. First class airline seat cannot have a location of metal shop. Airplane is located at sky. Airplane cannot have a location of 5-year old child pillow. Grape is located at paint. Planet is located at sky. Paint is located at shelf.
text: First class airline seat is located at sky.