[Travis] was so excited to take his grandfather, [Clarence], to his school. [June] and [Travis] had a picnic at the park. They had sandwiches and salad.
('Clarence', 'June')
[Travis] was so excited to take his grandfather, [Clarence], to his school. [June] and [Travis] had a picnic at the park. They had sandwiches and salad.
[{('Clarence', 'granddaughter', 'June'): [('Clarence', 'grandson', 'Travis'), ('Travis', 'sister', 'June')]}]
['grandson', 'sister']