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: social gathering 
Words: place, bar, doorstep, club, outing

SOLUTION: doorstep

PROBLEM: Category: moral characteristic 
Words: windy, fair, just, ok, loyal

SOLUTION: windy

PROBLEM: Category: construction 
Words: digger, steam roller, upraise, crane, ostrich

SOLUTION:
ostrich