https://colab.research.google.com/github/ccc-frankfurt/Practical_ML_WS19/blob/master/week4/Naive_Bayes_assignment.ipynb ... hotel', 'å£200', 'prize', 'guarante', 'text', 'pari ... tariff', 'get', 'latest', 'camera', 'phone', 'free', 'call', 'mobileupd8', 'free', '2stoptxt ...