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: emotional status 
Words: board, bored, emotional supports, frustrated, fret
board

Category: secretary duty 
Words: organize, support, text, sort mail, file
text

Category: date status 
Words: main, current, prompt, early, delayed

main