def edge_failure_sampling(failure_scenarios,edge_column):
    """Criteria for selecting failure samples

    Parameters
    ---------
    failure_scenarios - Pandas DataFrame of failure scenarios
    edge_column - String name of column to select failed edge ID's

    Returns
    -------
    edge_failure_samples - List of lists of failed edge sets
    """
    edge_failure_samples = list(set(failure_scenarios[edge_column].values.tolist()))

    return edge_failure_samples