story: [Lisa] could not find her brother [Alfred]. She later found him with their mother [Sandra] in the store. [Francisco] asked his son, [Alfred], to help paint his house. [James] is one of [Lisa]'s brothers. They have lots of fun together.
query: ('Sandra', 'Francisco')
clean_story: [Lisa] could not find her brother [Alfred]. She later found him with their mother [Sandra] in the store. [Francisco] asked his son, [Alfred], to help paint his house.
proof_state: [{('Sandra', 'grandson', 'Francisco'): [('Sandra', 'son', 'Alfred'), ('Alfred', 'son', 'Francisco')]}, {('Sandra', 'son', 'Alfred'): [('Sandra', 'daughter', 'Lisa'), ('Lisa', 'brother', 'Alfred')]}]