'Problem with extended hint features.'

def get_problem(self):

    xml = dedent('\n                                                <problem>\n                                                <p>question    text</p>\n                                                <stringresponse    answer="A">\n                                                                <stringequalhint    answer="B">hint</stringequalhint>\n                                                                <textline    size="20"/>\n                                                </stringresponse>\n                                                <demandhint>\n                                                        <hint>demand-hint1</hint>\n                                                        <hint>demand-hint2</hint>\n                                                </demandhint>\n                                                </problem>\n                                ')
    return XBlockFixtureDesc('problem', 'TITLE', data=xml)
