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:  Kind of reminds me of the Hamptons or Maine , but I 'm pretty sure I 've never been here .
Kate Beckett: Okay , this is it . This is where your tent was .
Richard Castle: No , none of this looks familiar .
Kate Beckett: Castle , just tell me the truth . You owe me that much .
Richard Castle: I am telling you the truth . I was not here .
Kate Beckett: Well , your clothes were here . Your watch was here , your tuxedo ... the _ one _ that you were gon na wear when you married me .
Richard Castle: It must 've been planted here , you know , along with ...
Kate Beckett: Nothing was planted , Castle . It was you . It was your DNA , your prints .
Richard Castle: Must 've been a mistake at the lab . There have been numerous cases ...
Kate Beckett: I believed in you . I ... I convinced myself that the evidence did n't matter , that everything that seemed so obvious could n't possibly be true . I was searching for you . I did n't even know if you were alive or if you were dead , and you were right here , right where you wanted to be .
Richard Castle: I promise you ... I did not pitch a tent here . I could not have .
Kate Beckett: I saw it for myself , Castle .
Richard Castle: I would never camp in this spot , not after the research that I did on " Tropical Storm " .
Kate Beckett: I ca n't even do this with you .
Richard Castle: Hey ! Wait . Listen .
Kate Beckett: You never wrote a book called " Tropical Storm " , Castle .
Richard Castle: Kate , wait . Listen . I started the book , I threw it out . It was , uh ... supervillian controls the weather . It ... it was ... it was terrible , but it ... the research I did on catastrophic storms , it stuck with me , leaving me with an irrational but overpowering fear of tsunamis .
Kate Beckett: You bought a beach house in the Hamptons .
Richard Castle: Yeah , on the inland side , not on the ocean side . Kate ... I would never camp here . I would go for higher ground .
Kate Beckett: Castle ... there was a witness .
Richard Castle: What witness ?

tuxedo