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.

[EX Q]: backward, south, down, forward, shameful
[EX A]: shameful

[EX Q]: danish, fried, lollygag, pastry, fritter
[EX A]: lollygag

[EX Q]: crane, ostrich, davit, dump truck, pelican
[EX A]:
dump truck