def wrap_unmerge(job, strelka_out, chromosomes, strelka_options, univ_options):
    """
    A wwrapper to unmerge the strelka snvs and indels

    :param dict strelka_out: Results from run_strelka
    :param list chromosomes: List of chromosomes to retain
    :param dict strelka_options: Options specific to strelka
    :param dict univ_options: Dict of universal options used by almost all tools
    :return: Dict of dicts containing the fsIDs for the per-chromosome snv and indel calls
             output:
               |- 'snvs':
               |      |- 'chr1': fsID
               |      |- 'chr2': fsID
               |      |- ...
               |      +- 'chrM': fsID
               +- 'indels':
                      |- 'chr1': fsID
                      |- 'chr2': fsID
                      |- ...
                      +- 'chrM': fsID
    :rtype: dict
    """
    return {'snvs': job.addChildJobFn(unmerge, strelka_out['snvs'], 'strelka/snv', chromosomes,
                                      strelka_options, univ_options).rv(),
            'indels': job.addChildJobFn(unmerge, strelka_out['indels'], 'strelka/indel',
                                        chromosomes, strelka_options, univ_options).rv()}