sentence: One day , he woke up early in the morning and he went out to play football before school . When he was playing , he saw something running very fast and go away .
modified: Someday he woke up early at the morning he go out for playing football before school , when he 's playing he saw something running very fast and go away .
transformation: OTHER, PUNCT, PREP, CONJ, VERB:TENSE, PART, VERB:FORM, PUNCT, CONTR, PUNCT, K