Mine and Mark's friends
[IN:GET_MUTUAL_FRIENDS [SL:CONTACT_RELATED Mine ] [SL:CONTACT_RELATED Mark ] [SL:TYPE_RELATION friends ] ]
Mine and Mark's friends
[IN:GET_MUTUAL_FRIENDS [SL:CONTACT_RELATED Mine ] [SL:CONTACT_RELATED Mark ] [SL:TYPE_RELATION friends ] ]