@prefix rdf:    <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
@prefix ex:	<http://www.example.org/schema#>.
@prefix in:	<http://www.example.org/instance#>.

in:a ex:p 1 .
in:a ex:p 2 .