Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Category: fried food 
Words: sweet roll, seperate, fritter, dunker, dumpling
seperate

Category: ocean 
Words: signal, timely, brine, flow, current
timely

Category: emotional status 
Words: fine, decent, flyaway, comfortable, well

flyaway