(aql-query
   ( select "s1" ( property any "root" subject ) )
   ( select "p1" ( property any "root" predicate ) )
   ( select "o1" ( property any "root" object ) )

   ( select "s2" ( property any "left1" subject ) )
   ( select "p2" ( property any "left1" predicate ) )
   ( select "o2" ( property any "left1" object ) )

   ( select "s3" ( property any "left2" subject ) )
   ( select "p3" ( property any "left2" predicate ) )
   ( select "o3" ( property any "left2" object ) )
	
   ( select "s4" ( property any "inner1" subject ) )
   ( select "p4" ( property any "inner1" predicate ) )
   ( select "o4" ( property any "inner1" object ) )

   ( join left "left1" ( or  ) )
   ( join inner "inner1" ( or ) )
   ( join inner "inner2" ( and) )
   ( join left "left2" ( and ) )

)
