answerEntity: Rihanna
graph: {'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q36844', 'id': 0, 'label': 'Rihanna'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q155700', 'id': 1, 'label': 'Chris Brown'}], 'links': [{'name_': 'P451', 'source': 1, 'target': 0, 'label': 'unmarried partner'}]}