sentence: One day , my older brother went to a park where we often go to play tennis . He saw a boy who was holding a red hat crying on the branch , not knowing what to do . He stood behind a big tree and looked at the boy .
modified: One day , my old brother went to park where we often go to play tennis , he saw a boy who held a red hat cried on the branch , not knowing what to do , he stranded behind a big tree and looked at the boy .
transformation: ADJ:FORM, DET, PUNCT, VERB:TENSE, VERB:FORM, K, PUNCT, VERB