Detailed Instructions: 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 _. There are several possible answers, you'll need to choose the proper one. Carefully read the given text, pay special attention to the marked number, think about what (unwritten) information the marked number holds inside, choose the most adequate word(s) from the optional answers. If none of them seems right to you, there's also an option for other. If your answer is "REFERENCE", also write the reference entity, otherwise write the implicit option name. Options to choose from are:
REFERENCE: Some object which is being mentioned in the text before or after the target number. The reference answer has a higher priority than any other. If both Reference and another answer are possible, prioritize the Reference.
YEAR: Describing a calendric year
AGE: Describing someone's age
CURRENCY: Reference to some monetary value e.g dollar, euro etc.
PEOPLE: Describing a single/plural persons
TIME: Describing a time of the day. Usually you can add the word o'clock after those numbers.
OTHER: Some other option, which isn't listed here.
Problem: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 !
Solution:
REFERENCE servants