story: [Alfred] and his sister [Lisa] went to the park. [Lisa] and her brother [James] went to the department store. [Edward], [James]'s son, came with them. [Lisa] was shopping for a new jacket with her father [Rudolph].
query: ('Alfred', 'Edward')
clean_story: [Alfred] and his sister [Lisa] went to the park. [Lisa] and her brother [James] went to the department store. [Edward], [James]'s son, came with them.
proof_state: [{('Alfred', 'nephew', 'Edward'): [('Alfred', 'brother', 'James'), ('James', 'son', 'Edward')]}, {('Alfred', 'brother', 'James'): [('Alfred', 'sister', 'Lisa'), ('Lisa', 'brother', 'James')]}]