TASK DEFINITION: Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.
PROBLEM: format, file, support, text, download

SOLUTION: support

PROBLEM: down, kind, ashamed, sliding, unhappy

SOLUTION: sliding

PROBLEM: lower, ground, forward, down, remorseful

SOLUTION:
remorseful