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: emotional display 
Words: buck, identity, culture, fawn, pester

SOLUTION: buck

PROBLEM: Category: corporate 
Words: unyielding, firm, streamline, llc, private

SOLUTION: unyielding

PROBLEM: Category: animal 
Words: soar, eagle, dive, fly, ant

SOLUTION:
soar