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.

Ex Input:
Category: location (proximity)
Words: closer, close, adjacent, gated, right there

Ex Output:
gated

Ex Input:
Category: store status
Words: shut, locked, near, out of service, close

Ex Output:
near

Ex Input:
Category: emotional status
Words: fret, emotional upsets, jack, emotional state, emotionalities

Ex Output:
jack