sentence: I enjoyed all the cities we visited but the best , in my opinion , was Siracusa . In particular , I liked Ortigia , which is the oldest part of the city .
modified: I enjoyed all the cities we saw but the best in my opinion is Siracusa . in particoular I liked Ortigia that is the oldest part of the city .
transformation: VERB, PUNCT, PUNCT, VERB:TENSE, ORTH, OTHER, PUNCT, DET