answerEntity: Impact
graph: {'nodes': [{'type': 'INTERNAL', 'name_': 'Q30', 'id': 0, 'label': 'United States'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q4115667', 'id': 1, 'label': 'Impact'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q1139053', 'id': 2, 'label': 'Craters of the Moon National Monument and Preserve'}, {'type': 'INTERNAL', 'name_': 'Q101578968', 'id': 3, 'label': 'The First 1 Ga of Impact Records: Evidence from Lunar Samples and Meteorites'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P17', 'source': 2, 'target': 0, 'label': 'country'}, {'name_': 'P495', 'source': 3, 'target': 0, 'label': 'country of origin'}, {'name_': 'P921', 'source': 3, 'target': 1, 'label': 'main subject'}]}