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.

Q: Second Doctor:  We ca n't allow it , you know .
Third Doctor: The tomb is sealed for the best of reasons .
First Doctor: And when we get back to our own time - streams , it must be sealed again .
Second Doctor: Doctor , we need you ! Join us !
First Doctor: He ca n't . It 's some kind of mind lock . Fight it , my boy , fight it ! Concentrate !
Second Doctor: We must be one !
Fifth Doctor: You see , Borusa ? Together , we 're a match for you !
Borusa: Perhaps , but you will never overcome it .
Fifth Doctor: But Chancellor Flavia will be here with her guards ... or will you overcome the entire High Council ?
Rassilon: This is the Game of Rassilon !
Borusa: I am Borusa , Lord and President of Gallifrey .
Rassilon: Why have you come here ?
Borusa: I come to claim that which is promised .
Rassilon: You seek immortality ?
Borusa: Yes .
Rassilon: And who are these _ three _ ?
Borusa: These are my servants .
Second Doctor: We most certainly are not !
Third Doctor: Do n't believe him !
Fifth Doctor: That 's nonsense !
First Doctor: Do n't believe them , Lord Rassilon ! President Borusa speaks the truth !
Rassilon: You believe that President Borusa deserves the immortality he seeks ?
First Doctor: Indeed I do .
Rassilon: He shall have it . Take the ring . Do you claim immortality , Lord Borusa ? You will not turn back ?
Borusa: Never !

A: servants
****
Q: Optimus Primal:  Every one of these alien structures has been designed for a specific purpose , Rattrap . This _ one _ is busy , and I 'm betting I can fly close enough to take it out .
Rattrap: With what ? One of your famous " We can do it " speeches ?
Optimus Primal: A transwarp explosion .
Blackarachnia: Hahaha ! You 'll blow yourself to atoms !
Optimus Primal: If it saves this planet , it 'll be worth it . If not , I 'm no worse off .

A: structures
****
Q: Amy Matthews:  There were no Cinderella costumes ?
Eric Matthews: Hundreds of them .
Amy Matthews: And you had to choose axe in the head here ?
Alan Matthews: It 's the last _ one _ .
Alan Matthews: Ooh ! Nice hanging eyeball !
Amy Matthews: I wanted Morgan to choose her own costume .
Eric Matthews: She did choose it , Mom , she wanted to be a zombie .
Alan Matthews: Eric , 24 hours ago she did n't even know what a zombie was .
Morgan Matthews: The undead are cool !

A:
axe
****