story: [Irene] had lunch with her sisters [Margaretta] and [Arlene]. [Margaretta]'s brother [Pat] came too. [Milton] and his sister [Melanie] have been best friends ever since childhood. [Milton] was so excited to surprise his son, [Pat], with the tickets to the playoffs.
query: ('Arlene', 'Melanie')
clean_story: [Irene] had lunch with her sisters [Margaretta] and [Arlene]. [Margaretta]'s brother [Pat] came too. [Milton] was so excited to surprise his son, [Pat], with the tickets to the playoffs. [Milton] and his sister [Melanie] have been best friends ever since childhood.
proof_state: [{('Arlene', 'aunt', 'Melanie'): [('Arlene', 'father', 'Milton'), ('Milton', 'sister', 'Melanie')]}, {('Arlene', 'father', 'Milton'): [('Arlene', 'sister', 'Margaretta'), ('Margaretta', 'father', 'Milton')]}, {('Arlene', 'sister', 'Margaretta'): [('Arlene', 'sister', 'Irene'), ('Irene', 'sister', 'Margaretta')]}, {('Margaretta', 'father', 'Milton'): [('Margaretta', 'brother', 'Pat'), ('Pat', 'father', 'Milton')]}]
edge_types: ['sister', 'sister', 'brother', 'father', 'sister']