sentence: The public transport most used in Toluca is the bus because it is the cheapest , but it is very bad and unsafe . The quality of it is very bad ; the buses are old and obsolete , they have broken windows and old broken seats .
modified: The public transport most used in Toluca is el bus because it is the most cheaper , but it is very bad and unsafe , the qualiti of it is very bad , the buses are old and obsolete these have broken windows and old and broken seats .
transformation: OTHER, ADJ:FORM, PUNCT, SPELL, PUNCT, PUNCT, PRON, CONJ