sentence: There are more problems in big cities . One of them is parking . There are a lot of areas in a city where it is very difficult to park and you only have 2 options ; you can park in a private car park and pay a lot of money or you can waste your time searching for a parking space .
modified: There are more problems in big cities , one of them is parking , there are a lot of areas in a city that is very difficult to park , and you only have 2 options , you can park in a private parking and pay a lot of money or you can waste you time searching for a place of parking .
transformation: PUNCT, PUNCT, OTHER, PUNCT, PUNCT, NOUN, DET, OTHER