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: weather 
Words: mild, warm, fine, fair, deal
fine

Category: secretary duty 
Words: support, type, file, software, answer
software

Category: date status 
Words: current, delayed, postponed, brine, late

brine