sentence: By taking the subway , you will be able to guarantee your arrival time for a class or an important meeting ; In some big cities , public transport plays a big role in modern society . With great coverage and efficient routes ,
modified: By taking a subway , you will be able to guarantee your arrival time for a class or an important meeting ; In some big cities , public transport plays a big role in a modern society . with great coverages and efficient routes ,
transformation: DET, DET, ORTH, NOUN:NUM