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 _. 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.
Input: Mr. Stringer:  I 'm sorry , madam , but I can not permit mice in my hotel .
Helga: How dare you say that when your rotten hotel is full of rats anyway ?
Mr. Stringer: Rats ? There are no rats in this hotel !
Helga: I saw _ one _ this morning running along the corridor , into the kitchens .
Mr. Stringer: Madam , you only arrived in the hotel this afternoon .
Helga: Morning , afternoon , I saw a rat in your hotel , and if matters do not improve , I shall have to report you to the public health authorities .
Mr. Stringer: Look , madam , I 'm not prepared ...
Luke: The cakes in the lounge are nibbled around the edges , too . I can show you .
Helga: If you are not careful , the health people will order the whole hotel closed before everyone gets typhoid fever .
Mr. Stringer: You ca n't be serious , madam !
Helga: I have never been more serious in my life . Now - will you or will you not let my grandchild keep his hygienic and perfectly harmless pet mice ?

REFERENCE Rats