sentence: First of all is traffic jams ; if you are stuck in a traffic jam in a big bus you will waste much more time than you expected on the road . Besides , public transport is overcrowded in rush hours . Another downside is that most buses are old and dirty .
modified: First of all is a traffic jam , if you stick in a traffic jam in a big bus you will waste much time then you expected on the road . Bisedes a public transport are overloaded at rush hours .Another downside is that most of buses are old and dirty .
transformation: DET, NOUN:NUM, PUNCT, OTHER, ADJ, OTHER, SPELL, PUNCT, DET, VERB:SVA, OTHER, PREP, ORTH, PREP