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

:x1 :p "abc" .
:x1 :q "abc" .

:x2 :p "abc"@en .
:x2 :q "abc"@en .

:x3 :p "ABC" .
:x3 :q "ABC" .

:x4 :p "ABC"@en .
:x4 :q "ABC"@en .


:x5 :p "abc"^^xsd:string .
:x5 :q "abc"^^xsd:string .
:x6 :p "ABC"^^xsd:string .
:x6 :q "ABC"^^xsd:string .

:x7 :p "" .
:x7 :q "" .

:x8 :p ""@en .
:x8 :q ""@en .

:x9 :p ""^^xsd:string .
:x9 :q ""^^xsd:string .