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: location (proximity) 
Words: on top of, touching, finished for the day, close, right there
answer:
finished for the day


question:
Category: secretary duty 
Words: correspondence, schedule, answer calls, keys, file
answer:
keys


question:
Category: mode of transportation 
Words: fly, swim, waggle, soar, wave
answer:

waggle