TASK DEFINITION: Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.
PROBLEM: current, wave, whirlpool, sea, data sets

SOLUTION: data sets

PROBLEM: clan, place, club, community, toast

SOLUTION: toast

PROBLEM: dessert, waste away, dunker, sweet roll, fritter

SOLUTION:
waste away