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.

Category: nutritional value 
Words: heavy, protein, fat, sugars, area
area

Category: alcoholic drinks 
Words: wine, rum, bridge, tonic, gin
bridge

Category: moral characteristic 
Words: unjust, fair, 70, decent, just

70