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.
--------
Question: Lucky:  I know you 're smart , Spot , but how do you handle pressure ? Solve this simple word problem in say , thirty seconds .
Spot: Ah - ha , no problem ! Two trains are heading toward each other , _ one _ at twenty - five miles an hour and the other at forty . They 're fifty miles apart and getting closer on the same track , but with no time to throw the switch , they collide , head on . All aboard perish and it 's all my fault !
Lucky: Next .

Answer: trains


Question: Cliff Waters:  Hey , Lou , you want a beer ?
Lou Waters: Aaah , I better not , Cliffie . I got a date with a nun in an hour .
Donald Maltby: Well , that should make her a candidate for sainthood .
Lou Waters: I 'm speakin ' of Little Louella 's principal , Sister Arabella .
Joe Waters: Arabella ? Not Arabella the Terrible ...
Lou Waters: The _ one _ and homely .
Joe Waters: I had her for woodshop . I was late one time , she had me make a ruler ... then she whacked me with it .

Answer: Arabella


Question: The Doctor:  An unintelligent enemy is far less dangerous than an intelligent _ one _ , Jamie .
Jamie: Eh ?
The Doctor: Just act stupid . Do you think you can manage that ?
Jamie: Oh , aye , it 's eas ...

Answer:
enemy