Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Richard Castle:  Look at this . These books from Lars ' apartment on " 1001 Arabian Nights " , they all have handwritten notes in them .
Javier Esposito: This one has ... maps drawn in it .
Kevin Ryan: This _ one _ has his theories of where King Solomon is buried .
Richard Castle: These books were his research that he used in conjunction with his skills as a sonar engineer to unearth King Solomon 's tomb .
Kevin Ryan: Yeah , we 're with you on that .
Richard Castle: And find the magical lamp with the genie in it .
Javier Esposito: That 's where you lose us , Castle .

books