Read the goal, then speak it with Loco.
Lost Book
Imagine that you enter an old library and search for a book in the catalog. A sphinx librarian listens to you, answers every query with a riddle, and then tells you where the book is; you also talk about the library card, borrowing, and returning.
How to Complete
Greet and explain the search
Consult the catalog
Solve a riddle
Locate the book
Talk about the library card and borrowing