def METHOD_NAME(node, active_variables):
    '''Determines whether this node contains only variables that are
    passive.
    :param node: the PSyIR node that is being evaluated.
    :type node: :py:class:`psyclone.psyir.nodes.Node`
    :param active_variables: a list of active variables either as \
        PSyIR symbols or as strings.
    :type active_variables: \
        List[:py:class:`psyclone.psyir.symbols.DataSymbol`] or \
        List[str]
    :returns: True if passive and False otherwise.
    :rtype: bool
    '''
    return not node_is_active(node, active_variables)