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: bats, pounce, cockroach, bike, fly

SOLUTION: bike

PROBLEM: running., close, bordering, nearer, touching

SOLUTION: running.

PROBLEM: fire, remove, praise, inferno, replace

SOLUTION:
inferno