sentence: I have been doing gymnastics for 4 months and am fascinated with it , I like to be tired from doing stunts , and I also feel very healthy because I exercise daily . If it 's not gymnastics , it 's kung fu .
modified: i have been practicing gymnastics during 4 months and fascinated with it , i like to be tired for doing stunts , and I also feel very healthy because I exercise daily , if its not gymnastics it 's kung fu .
transformation: ORTH, VERB, PREP, VERB, ORTH, PREP, PUNCT, OTHER, PUNCT