story: [Frank] went out for pizza with his sister [April] and his daughter [Beverly]. [Charles] was playing tennis with his sister [Beverly]. Afterwards, he was planning on playing chess with his sister [Rachel].
query: ('April', 'Rachel')
clean_story: [Frank] went out for pizza with his sister [April] and his daughter [Beverly]. [Charles] was playing tennis with his sister [Beverly]. Afterwards, he was planning on playing chess with his sister [Rachel].
proof_state: [{('April', 'niece', 'Rachel'): [('April', 'brother', 'Frank'), ('Frank', 'daughter', 'Rachel')]}, {('Frank', 'daughter', 'Rachel'): [('Frank', 'daughter', 'Beverly'), ('Beverly', 'sister', 'Rachel')]}, {('Beverly', 'sister', 'Rachel'): [('Beverly', 'brother', 'Charles'), ('Charles', 'sister', 'Rachel')]}]
edge_types: ['brother', 'daughter', 'brother', 'sister']