def filter_score_grouped_pair(post_pair):
    """
    Filter posts with a positive score.
    :param post_pair: pair of post_id, dict with score, text blocks, and comments
    :return: boolean indicating whether post has a positive score
    """
    _, post_dict = post_pair
    post_score = post_dict['score']
    return post_score and int(post_score) > 0