def combine_annotations(annotations):
    """Given a list of annotations made by a Saber model, combines all annotations under one dict.

    Args:
        annotations (list): a list of annotations returned by a Saber model

    Returns:
        a dict containing all annotations in `annotations`.
    """
    combined_anns = []
    for ann in annotations:
        combined_anns.extend(ann['ents'])
    # create json containing combined annotation
    return combined_anns