@prefix schema: <http://schema.org/>.
@prefix foaf: <http://xmlns.com/foaf/0.1/>.
@prefix log: <http://www.w3.org/2000/10/swap/log#>.
@prefix : <http://example.org/ns#>.

{?S a foaf:Person} => {?S a schema:Person {|log:ohyeah {?S a foaf:Person}|}}.
