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]: ugly, absorption, vitamin c, fat, thin
[A]: vitamin c


[Q]: data sets, sea, prompt, timely, current
[A]: sea


[Q]: fire, inferno, praise, let go, hire
[A]:
inferno