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.
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Question: Category: moral characteristic 
Words: precise, grub, frank, stern, honesty

Answer: grub


Question: Category: animal 
Words: goat, stingray, tiger, hike, fish

Answer: hike


Question: Category: widespread 
Words: ordinary, common, major, basic, general

Answer:
major