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: aesthetic characteristic 
Words: medium, just, light, ghostly, fair

SOLUTION: just

PROBLEM: Category: date status 
Words: belated, blue, early, detestings, current

SOLUTION: blue

PROBLEM: Category: accomodation 
Words: duplex, paved, level, smooshed, flat

SOLUTION:
smooshed