def get_annotation_to_item_map(list_of_items):
    """ Find model items with overlapping annotations

    Parameters
    ----------
    item
    list_of_items

    Returns
    -------

    """
    annotation_to_item = defaultdict(list)
    for item in list_of_items:
        for annotation in item.annotation:
            annotation_to_item[annotation].append(item)
    return annotation_to_item