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.

Q: fair, dishonest, make the grade, unjust, well

A: make the grade
****
Q: falsification, fib, invent, fudge, cupcake

A: cupcake
****
Q: run, bats, fly, flutter, spider

A:
flutter
****