<http://www.w3.org/2013/TurtleTests/s> 
      <http://www.w3.org/2013/TurtleTests/p1> <http://www.w3.org/2013/TurtleTests/o1> ;
      <http://www.w3.org/2013/TurtleTests/p2> <http://www.w3.org/2013/TurtleTests/o2> ; 
      .
