sentence: Public transportation is the main way to deliver people everywhere in a short time . In the past , they had to use camels to travel , which wasted a lot of time and caused tiredness .
modified: public transportation is the mean reason to delivery people everywhere in a small time . in the past the had to use camels to travel which waste lot of time and tiredness .
transformation: ORTH, ADJ, NOUN, OTHER, ADJ, ORTH, PUNCT, PRON, PUNCT, OTHER, VERB