[Wayne] sent his grandmother [Frances] flowers on her birhday. [Cindy] could n't pick up her son [Wayne] at the airport. She decided to ask her daughter [Carrie] to do it.
('Carrie', 'Frances')
[Cindy] could n't pick up her son [Wayne] at the airport. She decided to ask her daughter [Carrie] to do it. [Wayne] sent his grandmother [Frances] flowers on her birhday.
[{('Carrie', 'grandmother', 'Frances'): [('Carrie', 'brother', 'Wayne'), ('Wayne', 'grandmother', 'Frances')]}, {('Carrie', 'brother', 'Wayne'): [('Carrie', 'mother', 'Cindy'), ('Cindy', 'son', 'Wayne')]}]
['mother', 'son', 'grandmother']