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]: glass, acrylic, wood, metal, plate
[A]: plate


[Q]: hoagie, submarine, place, open-faced, club
[A]: place


[Q]: open-faced, hero, club, discothek, hamburger
[A]:
discothek