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: emotional status 
Words: sad, remorseful, down, ashamed, sliding

SOLUTION: sliding

PROBLEM: Category: date status 
Words: belated, current, tide, up to the moment, postponed

SOLUTION: tide

PROBLEM: Category: weather 
Words: unprejudiced, brisk, fair, mild, windy

SOLUTION:
unprejudiced