story: [Stanley] and [Molly] were a couple who were proud of their daughter, [Marian], for birthing an amazing son, [Mark].
query: ('Stanley', 'Mark')
clean_story: [Stanley] and [Molly] were a couple who were proud of their daughter, [Marian], for birthing an amazing son, [Mark].
proof_state: [{('Stanley', 'grandson', 'Mark'): [('Stanley', 'wife', 'Molly'), ('Molly', 'grandson', 'Mark')]}, {('Molly', 'grandson', 'Mark'): [('Molly', 'daughter', 'Marian'), ('Marian', 'son', 'Mark')]}]