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: body part 
Words: inch, head, foot, ear, finger
answer:
inch


question:
Category: widespread 
Words: boring, common, soldier, general, average
answer:
soldier


question:
Category: guitar part 
Words: anxious, headstock, strap lock, fret, pick
answer:

anxious