SPO[] stmts = selectRandomExplicitStatements(db, N);
SPO[] stmts = selectRandomExplicitStatements(db, N);
SPO[] stmts = selectRandomExplicitStatements(db, N);
SPO[] stmts = selectRandomExplicitStatements(db, N);
SPO[] stmts = selectRandomExplicitStatements(db, N);
SPO[] stmts = selectRandomExplicitStatements(db, N);