[Pamela] and her sister [Martha] were fighting. They never fight long though, and they made up the next day. [James] played cards with his son. His son's daughter [Pamela] did not find it to be amusing. [Tina] is taking a trip to see her sister [Martha].
('Tina', 'James')
[Tina] is taking a trip to see her sister [Martha]. [Pamela] and her sister [Martha] were fighting. They never fight long though, and they made up the next day. [James] played cards with his son. His son's daughter [Pamela] did not find it to be amusing.
[{('Tina', 'grandfather', 'James'): [('Tina', 'sister', 'Pamela'), ('Pamela', 'grandfather', 'James')]}, {('Tina', 'sister', 'Pamela'): [('Tina', 'sister', 'Martha'), ('Martha', 'sister', 'Pamela')]}]
['sister', 'sister', 'grandfather']