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: ocean 
Words: current, wave, whirlpool, sea, data sets

SOLUTION: data sets

PROBLEM: Category: physical activity 
Words: sprint, get down, cow, duck, bow

SOLUTION: cow

PROBLEM: Category: outdoor sport activity 
Words: hunt, fish, trap, canoe, goat

SOLUTION:
goat