story: [Sidney] scrapped his knee while playing with his sister [Karen], and ran to his mom [Marian] for help. [Karen] continued playing with her brother [Mark] while [Sidney] was cared for.
query: ('Sidney', 'Mark')
clean_story: [Sidney] scrapped his knee while playing with his sister [Karen], and ran to his mom [Marian] for help. [Karen] continued playing with her brother [Mark] while [Sidney] was cared for.
proof_state: [{('Sidney', 'brother', 'Mark'): [('Sidney', 'mother', 'Marian'), ('Marian', 'son', 'Mark')]}, {('Marian', 'son', 'Mark'): [('Marian', 'daughter', 'Karen'), ('Karen', 'brother', 'Mark')]}]