sentence: On the other hand , we can get more information about our known and unknown people who are our friends via Facebook , uploading photos at any time , having a coffee , watching a football match or spending summertime somewhere .
modified: On the other hand , we can get more information about our known and unknown people who are our friends by facebook , uploading photos at any time , taking a coffee , watching a football match or spending summertime somewhere .
transformation: K, PREP, ORTH, VERB