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: computers 
Words: hardware, sort mail, download, program, file
sort mail

Category: date status 
Words: early, current, tide, up to the moment, do tests
tide

Category: ocean 
Words: drink, detestings, whirlpool, main, current

detestings