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: Rose Tyler:  So , who are you supposed to be then ?
Captain Jack Harkness: Captain Jack Harkness , 133 Squadron , Royal Air Force . American volunteer .
Rose Tyler: Liar . This is psychic paper . It tells me whatever you want it to tell me .
Captain Jack Harkness: How do you know ?
Rose Tyler: Two things . One , I have a friend that uses this all the time , and two , you just handed me a piece of paper telling me you 're single and you work out .
Captain Jack Harkness: Tricky thing , psychic paper .
Rose Tyler: Yeah . Ca n't let your mind wander when you 're handing it over .
Captain Jack Harkness: Oh , you sort of have a boyfriend called Mickey Smith , but you consider yourself to be footloose and fancy - free .
Rose Tyler: What ?
Captain Jack Harkness: Actually the word you use is " available " .
Rose Tyler: No way .
Captain Jack Harkness: And another _ one _ , " very " .

word