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: boats 
Words: crew, deck, rudder, suits, hull

SOLUTION: suits

PROBLEM: Category: location (proximity) 
Words: near, close, gated, bordering, on top of

SOLUTION: gated

PROBLEM: Category: store status 
Words: running., out of service, close, busy, right there

SOLUTION:
right there