Examples:

    Get predicates and objects as TSV:

        {{script}} -p -o --delimiter '\t' data.nt.gz

    Get most frequent predicates (pipe):

        cat data.nt | {{script}} -p | sort | uniq -c | sort -n -r | head

    Output (predicate, object) tuples where the object is a literal:

        {{script}} --predicate --object:literal data.nt.gz