prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> 
prefix first: <http://www.w3.org/2002/03owlt/AnnotationProperty/premises002#> 
prefix owl: <http://www.w3.org/2002/07/owl#> 

select * where 
    { 
    first:ap rdf:type owl:AnnotationProperty. 
    first:A first:ap ?a. 
    first:A rdf:type owl:Class.
    ?a rdf:type owl:Thing 
    }