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.

[EX Q]: tide, belated, signal, current, jetstream
[EX A]: belated

[EX Q]: angular momentum, fat, calcium, brittleness, ugly
[EX A]: calcium

[EX Q]: lettuce, club, hoagie, grilled cheese, place
[EX A]:
place