[Clarence] called his granddaughter [Lorraine] on the phone. He asked her if her brother [Kevin] was there. She said she had n't seen him all day.
('Clarence', 'Kevin')
[Clarence] called his granddaughter [Lorraine] on the phone. He asked her if her brother [Kevin] was there. She said she had n't seen him all day.
[{('Clarence', 'grandson', 'Kevin'): [('Clarence', 'granddaughter', 'Lorraine'), ('Lorraine', 'brother', 'Kevin')]}]
['granddaughter', 'brother']