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: weather 
Words: tangle, ghostly, fair, raining, sunny

SOLUTION: ghostly

PROBLEM: Category: bird 
Words: davit, egret, heron, crane, swift

SOLUTION: davit

PROBLEM: Category: kitchenware 
Words: fork, knifer, glass, spatula, translucent fabric

SOLUTION:
translucent fabric