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: kitchenware 
Words: spoon, glass, bowl, lead, cup

SOLUTION: lead

PROBLEM: Category: bird 
Words: digger, heron, crane, mallet, sandpiper

SOLUTION: digger

PROBLEM: Category: activity 
Words: fritter, waste away, pie, seperate, goodbye

SOLUTION:
pie