[Martha] ca n't decide what to buy her dad [Roy] for Christmas. [Martha] asked her sister [Stephanie] to help her decide.
('Stephanie', 'Roy')
[Martha] ca n't decide what to buy her dad [Roy] for Christmas. [Martha] asked her sister [Stephanie] to help her decide.
[{('Stephanie', 'father', 'Roy'): [('Stephanie', 'sister', 'Martha'), ('Martha', 'father', 'Roy')]}]