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.

[EX Q]: Kate Beckett:  Do you have a cause of death ?
M.E. Sidney Perlmutter: It was a burn . A burn that penetrated tissue , muscle , and bone , leaving this perfectly cylindrical hole .
Kate Beckett: What kind of burn does that ?
M.E. Sidney Perlmutter: Well , _ one _ created by high levels of infrared radiation . The blood vessels were cauterized by the intense heat .
Kate Beckett: Are you saying ...
Richard Castle: She was killed by a phaser ?
M.E. Sidney Perlmutter: Well , as much as it pains me , Mr. Castle is largely correct . She was killed by a high intensity laserbeam .
Richard Castle: A real sci - fi murder at a sci - fi convention ! This keeps getting better .
[EX A]: burn

[EX Q]: Steve Navarro:  I put a tracker on the device . I can tell you where it is .
Kate Morgan: You lying bastard !
Jack Bauer: Please , put the weapon down and let him talk !
Steve Navarro: I can give you the tracker 's code .
Kate Morgan: I do n't believe you . I 'm going to put a bullet in your head !
Jack Bauer: Kate , Kate ! Put the weapon down !
Steve Navarro: Three , eight , _ four _ , six , nine , romeo . Three , alpha , four , six , nine , romeo . That 's the code . I 'm telling you the truth .
Kate Morgan: Did you get that ?
Jack Bauer: Gavin ?
Gavin Leonard: Running the trace now . Seems to be legit . It 's already triangulating within a four mile area .
Jack Bauer: Copy that . He 's logging onto the override device . It worked .
Kate Morgan: You 're done . You 're going to be executed for murder and for treason . And I 'm going to be there to watch .
[EX A]: code

[EX Q]: Emily Prentiss:  It looks like they were out there for a long time before they were killed .
Jennifer 'JJ' Jareau: At least six or seven days .
Derek Morgan: What happened in that week ?
Penelope Garcia: I do n't wanna to know .
Dr. Spencer Reid: Look at they way they 're dressed . They did n't voluntarily go into the woods like that .
Jennifer 'JJ' Jareau: Yeah , neither did this man . Found yesterday with similar wounds . There 's still no ID .
Penelope Garcia: Okay , so I 'm gon na look for missing persons in Washington .
Jason Gideon: Look everywhere . We do n't know where this victim came from . We only know where he ended up .
Dr. Spencer Reid: Kills both males and females .
Aaron Hotchner: Victims were found with their clothes on . No degradation , no experimentation . Does n't look like he 's interested in either .
Emily Prentiss: A serial killer with no sexual preference ?
Dr. Spencer Reid: That 'd be a first .
Aaron Hotchner: Broken nose , and bark 's embedded in his face . Looks like he ran into a tree .
Derek Morgan: Now how do you miss a huge tree ?
Aaron Hotchner: Too busy looking behind you .
Dr. Spencer Reid: None of these are defensive wounds .
Emily Prentiss: Courtney Jacobs ' hands are torn up .
Derek Morgan: Shane Everett 's only got one shoe on . It 's like he ran out of the other _ one _ .
Aaron Hotchner: He sustained numerous injuries and just kept going .
Jason Gideon: Only one thing you run that hard for . Your life .
[EX A]:
shoe