sentence: This can be seen with teenagers , who seem to prefer to talk by telephone than " face to face " , and also in children , who prefer playing with video games on their own to going to the park .
modified: This can be seen in teenagers , who seems to prefer to talk by telephone than " face to face " , and also in children , who prefer play with video games on their own than going to the park
transformation: PREP, VERB:SVA, VERB:FORM, PREP, PUNCT