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 Input:
up to the moment, tide, current, jetstream, brine

Ex Output:
up to the moment


Ex Input:
wine, rum, bridge, tonic, gin

Ex Output:
bridge


Ex Input:
honesty, meat, hot dog, sausage, frank

Ex Output:

honesty