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.
--------
Question: Category: animal 
Words: soar, cockroach, walk, fly, run

Answer: soar


Question: Category: chocolate food 
Words: replace, fudge, cupcake, heavy, cream

Answer: replace


Question: Category: date status 
Words: early, prompt, flow, current, belated

Answer:
flow