TASK 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.
PROBLEM: 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 .

SOLUTION: trains

PROBLEM: Harry Hill:  Nice to see _ one _ or two bald men in the audience . Tell me , was it the same for you ? You just noticed it was taking longer and longer to wash your face ?

SOLUTION: men

PROBLEM: Tails:  We 'll watch your kids . Sonic just loves hanging out with the babes .
Sonic: That 's babes as in girls , not crying , drooling , hair pulling kids . I do n't know the first thing about babies .
Tails: What 's there to know ? I mean you used to be _ one _ right ?

SOLUTION:
babies