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: weather 
Words: 70, sunny, equitable, fair, tangle
equitable

Category: location (proximity) 
Words: on top of, touching, finished for the day, close, right there
finished for the day

Category: moral characteristic 
Words: blunt, hot dog, fortitude, frank, loyalty

hot dog