For the tweet "@Rocks_n_Ropes Can't believe how rude your cashier was today when I was returning an item!  Your customer service is slacking.", classify the intensity of the emotion fear. The possible classifications are: 0: no fear can be inferred, 1: low amount of fear can be inferred, 2: moderate amount of fear can be inferred, 3: high amount of fear can be inferred.
0: no fear can be inferred