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: bowl, plastic, glass, panel, lead

SOLUTION: bowl

PROBLEM: miserable, ground, up, opposite of up, down

SOLUTION: miserable

PROBLEM: bus, swim, fly, ant, bike

SOLUTION:
ant