Random triples
| Subject | Object |
|---|---|
| gptkb:D._B._Cooper | one of the greatest unsolved mysteries |
| gptkb:D._B._Cooper | gptkb:American_history |
| gptkb:D._B._Cooper | gptkb:folklore |
| gptkb:D._B._Cooper | one of America's greatest mysteries |
| gptkb:D._B._Cooper | in American history |
| gptkb:DB_Cooper | one of the greatest unsolved mysteries |
| gptkb:D._B._Cooper | in the United States. |