'Give correct answer expected for this response.
use default_answer_map from entry elements (eg textline),
when this response has multiple entry objects.
but for simplicity, if an "expect" attribute was given by the content author
ie <customresponse expect="foo" ...> then that.'

def get_answers(self):

    if (len(self.answer_ids) > 1):
        return self.default_answer_map
    if self.expect:
        return {self.answer_ids[0]: self.expect}
    return self.default_answer_map
