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: construction 
Words: windlass, crane, hoist, digger, upraise

SOLUTION: hoist

PROBLEM: Category: moral characteristic 
Words: loyal, alright, fair, unprejudiced, 70

SOLUTION: 70

PROBLEM: Category: physical activity 
Words: climb, exercise, fall, autumn, plummet

SOLUTION:
autumn