sentence: Swimming is relaxing exercise for me and normally there are n't many people in the pool . But sometimes there are children and I do n't like that so much because they like disturbing me . But sometimes it is amusing , too .
modified: Swim is a relaxing exercise for me and normally there are n't many people in the pool , but sometimes there are children and I do n't like so much because they like disturbing me but sometimes it is amusing too .
transformation: NOUN:NUM, DET, PUNCT, DET, PUNCT, PUNCT