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: Kate Beckett:  So , any luck on finding that mystery man ?
Javier Esposito: Ryan 's scrubbing street cam footage near Dave 's apartment , but , yo , I think we 're missing something here .
Kate Beckett: What do you mean ?
Javier Esposito: Well , if Dave was a scam artist , he is the oddest _ one _ I ever heard of . I mean , yes , he was exhibiting con man behavior , but to what end ?
Kate Beckett: Uh , to rip people off .
Javier Esposito: Who ? His wife ? She did n't come from money . The priest took a vow of poverty , and the union guy ? Dave never asked him for a payoff .
Kate Beckett: Okay , that 's a good point . So what 's the upside to Dave 's cons ?

artist