TASK DEFINITION: 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.
PROBLEM: Category: computers 
Words: hardware, download, file, support, program

SOLUTION: support

PROBLEM: Category: chocolate food 
Words: cake, fudge, rich, invent, cream

SOLUTION: invent

PROBLEM: Category: date status 
Words: early, data sets, brine, timely, current

SOLUTION:
brine