sentence: I think that public transport is the future , because many countries will have to ban entrance to their towns for private cars to stop the CO2 emissions to the atmosphere , in order to protect the planet and the health of their citizens .
modified: I think that public transport is the future because many countries will have to allow the entrance in their towns to private cars for stop the CO2 emissions to the atmosphere in order to protect the planet and the health of their citizens .
transformation: PUNCT, VERB, DET, PREP, PREP, PART, PUNCT