answerEntity: Charlie Sheen
graph: {'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q103939', 'id': 0, 'label': 'Charlie Sheen'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q220918', 'id': 1, 'label': 'Emilio Estevez'}], 'links': [{'name_': 'P3373', 'source': 0, 'target': 1, 'label': 'sibling'}, {'name_': 'P3373', 'source': 1, 'target': 0, 'label': 'sibling'}]}