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: bus, fly, swim, spider, flap

A: spider
****
Q: admiral, general, cadet, sergeant, ordinary

A: ordinary
****
Q: sweet roll, seperate, fritter, dunker, dumpling

A:
seperate
****