Who directed all movies in Back to the Future series?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q36297', 'id': 0, 'label': '1950s'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q91540', 'id': 1, 'label': 'Back to the Future'}], 'links': [{'name_': 'P2408', 'source': 1, 'target': 0, 'label': 'set in period'}]}
The 1950s is the period in which the film Back to the Future is set.
The 1950s is a period in which the book `` Back to the Future '' was written .
Who directed all movies in Back to the Future series?</s>The [unused1]1950s                [unused2] is the period in which the film Back to the Future is set.
Who directed all movies in Back to the Future series?</s>The 1950s is the period in which the film Back to the Future is set.
Who directed all movies in Back to the Future series?</s>The [unused1]1950s                [unused2] is a period in which the book `` Back to the Future '' was written .
Who directed all movies in Back to the Future series?</s>The 1950s is a period in which the book `` Back to the Future '' was written .
Who directed all movies in Back to the Future series?</s>[unused1]1950s[unused2],0,[unused1]1950s[unused2],[unused1]1950s[unused2],0,Back to the Future,Back to the Future,set in period,[unused1]1950s[unused2],Back to the Future,0,Back to the Future
Who directed all movies in Back to the Future series?</s>1950s,0,1950s,1950s,0,Back to the Future,Back to the Future,set in period,1950s,Back to the Future,0,Back to the Future