def find_data_stops(data_starts, data_breaks):
    """
    Takes in all the data start sites, and all the potential
    places where the data would stop, and finds the next empty
    list after a data start site, to define that data's stop
    site.
    """
    data_stop = []
    for start in data_starts:
         for brea in data_breaks:
            if brea > start:
                data_stop.append(brea)
                break
    return data_stop