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: secretary duty 
Words: errands, fax, file, type, ram

SOLUTION: ram

PROBLEM: Category: outdoor sport activity 
Words: hunt, row, wrestle, fish, hamster

SOLUTION: hamster

PROBLEM: Category: boats 
Words: bow, rudder, crew, blind, deck

SOLUTION:
blind