[James] is happy that his daughter is doing so well. Her name is [David]. [David] and her sister [Lena] are the only children in their family. [Lena]'s mom, [Pamela] got ready for the party.
('Pamela', 'James')
[Lena]'s mom, [Pamela] got ready for the party. [David] and her sister [Lena] are the only children in their family. [James] is happy that his daughter is doing so well. Her name is [David].
[{('Pamela', 'grandfather', 'James'): [('Pamela', 'mother', 'Lena'), ('Lena', 'father', 'James')]}, {('Lena', 'father', 'James'): [('Lena', 'sister', 'David'), ('David', 'father', 'James')]}]
['mother', 'sister', 'father']