What is the largest city in Europe by population?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q84', 'id': 0, 'label': 'London'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q46', 'id': 1, 'label': 'Europe'}], 'links': [{'name_': 'P30', 'source': 0, 'target': 1, 'label': 'continent'}]}
London is in the European continent.
London is the capital of Europe .
What is the largest city in Europe by population?</s> [unused1]London                [unused2] is in the European continent.
What is the largest city in Europe by population?</s>London is in the European continent.
What is the largest city in Europe by population?</s> [unused1]London                [unused2] is the capital of Europe .
What is the largest city in Europe by population?</s>London is the capital of Europe .
What is the largest city in Europe by population?</s>[unused1]London[unused2],0,[unused1]London[unused2],[unused1]London[unused2],continent,Europe,Europe,0,[unused1]London[unused2],Europe,0,Europe
What is the largest city in Europe by population?</s>London,0,London,London,continent,Europe,Europe,0,London,Europe,0,Europe