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: Dr. Lance Sweets:  I 'm totally into the Gormogon file . And it 's my opinion you 're looking for a duo .
Dr. Temperance Brennan: How did you get the file ?
Dr. Lance Sweets: Booth .
Dr. Temperance Brennan: You gave him the case file ?
Special Agent Seeley Booth: Time out , okay ? He came up with the whole duo thing .
Dr. Jack Hodgins: We found another widow 's son skeleton . This _ one _ 's complete .
Dr. Temperance Brennan: The teeth marks suggest ... two cannibals .
Dr. Lance Sweets: Really . That 's awesome ! It 's like the Sith lords , man . There 's always only two of them .

skeleton