TASK DEFINITION: Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
PROBLEM: Category: moral characteristic 
Words: decent, impartial, light, fair, dishonest

SOLUTION: light

PROBLEM: Category: measurement unit 
Words: centimeter, leg, mile, meter, foot

SOLUTION: leg

PROBLEM: Category: boats 
Words: bow, bridge, deck, punch, dock

SOLUTION:
punch