call the sister of Graham
[IN:CREATE_CALL [SL:CONTACT [IN:GET_CONTACT [SL:TYPE_RELATION sister ] [SL:CONTACT_RELATED Graham ] ] ] ]
call the sister of Graham
[IN:CREATE_CALL [SL:CONTACT [IN:GET_CONTACT [SL:TYPE_RELATION sister ] [SL:CONTACT_RELATED Graham ] ] ] ]