[Thomas] went to see his grandfather [James] one day and his sister [Juanita] decided to go with him. [Andrea] needed to go to the store. [Andrea] asked her sister [Juanita] for a ride.
('James', 'Andrea')
[Thomas] went to see his grandfather [James] one day and his sister [Juanita] decided to go with him. [Andrea] needed to go to the store. [Andrea] asked her sister [Juanita] for a ride.
[{('James', 'granddaughter', 'Andrea'): [('James', 'grandson', 'Thomas'), ('Thomas', 'sister', 'Andrea')]}, {('Thomas', 'sister', 'Andrea'): [('Thomas', 'sister', 'Juanita'), ('Juanita', 'sister', 'Andrea')]}]
['grandson', 'sister', 'sister']