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: widespread 
Words: boring, common, soldier, general, average
soldier

Category: physical activity 
Words: dog, push, duck, squat, jog
dog

Category: animal 
Words: hunt, whale, shark, fish, mice

hunt