[Clarence] was very happy when his daughter Alice gave birth to [Belva]. [Charlotte] and her sister [Belva] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while.
('Clarence', 'Charlotte')
[Clarence] was very happy when his daughter Alice gave birth to [Belva]. [Charlotte] and her sister [Belva] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while.
[{('Clarence', 'granddaughter', 'Charlotte'): [('Clarence', 'granddaughter', 'Belva'), ('Belva', 'sister', 'Charlotte')]}]
['granddaughter', 'sister']