sentence: But , on the other hand , because , recently , the traffic has been terrifically unbearable : so many cars ; very noisy ; unclean air produced , public transport has become better for saving the planet .
modified: But , on the other hand , because of recently traffic has been terrifically unbearable ; cars are so many ; very noisy , unclear air produced has become the public transport better to save earth .
transformation: PREP, PUNCT, PUNCT, DET, PUNCT, OTHER, PUNCT, ADJ, PUNCT, OTHER, PART, VERB:FORM, OTHER