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.

Q: specialty, content, angry, program, activity

A: angry
****
Q: unlicensed, chocolate, heavy, fudge, chocolate cake

A: unlicensed
****
Q: close, adjacent, closest, nearer, shut

A:
shut
****