instruction:
Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.
question:
blue, current, drink, water, prompt
answer:
prompt


question:
bored, amp, board, fret, truss rod
answer:
bored


question:
acrylic, knifer, glass, dish, knive
answer:

acrylic