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: running., close, bordering, nearer, touching

SOLUTION: running.

PROBLEM: merchandise, excited, content, specialty, food

SOLUTION: excited

PROBLEM: walk, swim, flutter, fly, drive

SOLUTION:
walk