sentence: The little boy more and more sadly , tears rolled down from his eyes . My brother felt sorry for him . He gave the little boy his smartphone and put on some good music . The little boy stopped crying and started to smiled .
modified: The little boy more and more sadly , tears rolled down from his eyes , my brother pity him , he gave the little boy his smartphone and open a good music , the little boy stopped to cried and started to smiled .
transformation: K, PUNCT, OTHER, PUNCT, OTHER, DET, PUNCT, OTHER