[Jacob] ran up to his sister [Lorraine] for help. When she could n't help him, he turned to his grandfather [Clarence].
('Clarence', 'Lorraine')
[Jacob] ran up to his sister [Lorraine] for help. When she could n't help him, he turned to his grandfather [Clarence].
[{('Clarence', 'granddaughter', 'Lorraine'): [('Clarence', 'grandson', 'Jacob'), ('Jacob', 'sister', 'Lorraine')]}]
['grandson', 'sister']