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: outdoor sport activity 
Words: swim, wrestle, fish, canyoning, horse
answer:
horse


question:
Category: secretary duty 
Words: file, software, schedule, support, order office supplies
answer:
software


question:
Category: social gathering 
Words: picnic, place, hoagie, discothek, club
answer:

hoagie