Which is the odd man out in these and why 1)Barracuda, cod, herring, shark, whale 2)Albino, Clef, Condemn, Crab, Dollop, Sink 3)Courage, Leave, Measles, Steamer 4)Ant, Bee, Midge, Moth, Spider 5)Cairo, Delhi, Lhasa, New Orleans, Quebec, Shanghi 6)Aminal, Engine, Identity, Octagon, Unicorn