context: Dine area is used for clean up messy room. Money is used for exchange wealth. Book is not used for dig. Book is located in library. Learn is used for money. Go to work is used for money. Chess pawn is used for exchange wealth. Bookshelf is not used for provide transportation. Learn is not used for dig. Chess pawn is not used for clean up messy room. Bookshelf is used for book. Bookshelf is not used for dig. Book is used for learn. Bookshelf is located in home.
text: Bookshelf is not used for learn.