instruction:
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: aesthetic characteristic 
Words: ticket, fine, bright, detailed, exquisite
answer:
ticket


question:
Category: type of rigidity 
Words: tough, taut, rough, amalgamated, firm
answer:
amalgamated


question:
Category: emotional status 
Words: fine, acceptable, attractive, decent, calm
answer:

attractive