story: [Minnie] has a son called [Dana]. Each day they go to the park after school. [Minnie] taught her son [John] how to mow the lawn once he was old enough. [Rebbeca] asked [Minnie], her mother, to teach her how to mow the lawn too.
query: ('Rebbeca', 'John')
clean_story: [Minnie] taught her son [John] how to mow the lawn once he was old enough. [Rebbeca] asked [Minnie], her mother, to teach her how to mow the lawn too.
proof_state: [{('Rebbeca', 'brother', 'John'): [('Rebbeca', 'mother', 'Minnie'), ('Minnie', 'son', 'John')]}]