[Cindy] talks to her son [Wayne] every day. [Cindy] could n't wait for the surprise birthday party that she was throwing for her brother [Joshua] next weekend. [Frances] sat anxiously in the airport terminal, waiting to see her son [Joshua] walk through the gate.
('Frances', 'Wayne')
[Frances] sat anxiously in the airport terminal, waiting to see her son [Joshua] walk through the gate. [Cindy] could n't wait for the surprise birthday party that she was throwing for her brother [Joshua] next weekend. [Cindy] talks to her son [Wayne] every day.
[{('Frances', 'grandson', 'Wayne'): [('Frances', 'daughter', 'Cindy'), ('Cindy', 'son', 'Wayne')]}, {('Frances', 'daughter', 'Cindy'): [('Frances', 'son', 'Joshua'), ('Joshua', 'sister', 'Cindy')]}]
['son', 'sister', 'son']