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: bird 
Words: digger, heron, crane, mallet, sandpiper
answer:
digger


question:
Category: shady activities 
Words: unwarranted, mangle, cream, loosen, fudge
answer:
cream


question:
Category: animals 
Words: cat, duck, jog, goose, swan
answer:

jog