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: emotional display 
Words: follow, doe, suppressed, culture, fawn

Answer: doe


Question: Category: bird 
Words: digger, heron, crane, mallet, sandpiper

Answer: digger


Question: Category: moral characteristic 
Words: entree, bold, brash, honest, frank

Answer:
entree