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: alcoholic drinks 
Words: gin, tonic, rum, spider, tequila

Answer: spider


Question: Category: aesthetic characteristic 
Words: there, ticket, fine, dull, level

Answer: ticket


Question: Category: animals 
Words: duck, dog, horse, elephant, get down

Answer:
get down