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: weather 
Words: cold, 70, fair, well, luke

SOLUTION: well

PROBLEM: Category: secretary duty 
Words: file, software, schedule, support, order office supplies

SOLUTION: software

PROBLEM: Category: bird 
Words: crane, winch, mallet, winch, flamingo

SOLUTION:
winch