@prefix : <http://example/> .
@prefix  xsd:    <http://www.w3.org/2001/XMLSchema#> .

:x1 :p  "string" .
:x2 :p  "string"^^xsd:string .
:x3 :p  "string"@en .
:x4 :p  "lex"^^:unknownType .
:x5 :p  1234 .
:x6 :p  <http://example/iri> .
:x7 :p  _:bNode .