sentence: Then you have to take the subway to your destination , so that means a waste of time . On the other hand , it is cheaper , but what happens if you do n't have any coins to pay the bus driver ? Here comes the problem .
modified: Then you must pick the subway to your destination , so that means a waste of time , otherwise is cheaper , but what happens if you do n't have some coins to pay the bus driver ? here comes the problem .
transformation: VERB, VERB, PUNCT, OTHER, DET, ORTH