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: secretary duty 
Words: order office supplies, sort mail, file, program, type

SOLUTION: program

PROBLEM: Category: physical activity 
Words: tumble, summer, fall, bend, lift

SOLUTION: summer

PROBLEM: Category: animal 
Words: leap, waggle, dangle, fly, swim

SOLUTION:
swim