def METHOD_NAME(tokens):
    seqs = _split_at(",", tokens)
    phrases = []
    for seq in seqs:
        phrases.append(_path_or_parser(seq))
    # In the degenerate case where there is only one operand
    # we just return the operand (and(q) == q)
    if len(phrases) == 1:
        return phrases[0]
    else:
        return {"@type": "PathSequence", "sequence": phrases}