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:
wine, rum, bridge, tonic, gin

Ex Output:
bridge


Ex Input:
fritter, sweet roll, whittle, seperate, divide

Ex Output:
sweet roll


Ex Input:
fair, warm, make the grade, honorable, 70

Ex Output:

honorable