who on my friend's list has attended USM
[IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION friend ] [SL:SCHOOL USM ] ]
who on my friend's list has attended USM
[IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION friend ] [SL:SCHOOL USM ] ]