@prefix rs:      <http://www.w3.org/2001/sw/DataAccess/tests/result-set#> .

[]  <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
                rs:ResultSet ;
    rs:resultVariable "o";

    rs:solution [ rs:binding  [ rs:value    <http://example.org/ns#o> ;
                                rs:variable "o"
                              ] 
                ] ,
                [ rs:binding  [ rs:value    <http://example.org/ns#o2> ;
                                rs:variable "o"
                              ] 
                ] 

                .