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: baby animals 
Words: fawn, deer, buck, kitten, cajole
cajole

Category: food 
Words: frank, entree, goodies, concise, wiener
concise

Category: bird 
Words: heron, crane, davit, pelican, digger

digger