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: outdoor sport activity 
Words: wrestle, fish, iguana, hiking, hunt
iguana

Category: window material 
Words: metal, handle, dish, glass, vinyl
dish

Category: emotional status 
Words: exquisite, alert, detached, ok, fine

exquisite