[Clarence] played cards with his son. His son's daughter [Louise] did not find it to be amusing. [Kevin] and his sister [Louise] got their mother [Louise] a new computer for her birthday. She really liked it.
('Kevin', 'Clarence')
[Kevin] and his sister [Louise] got their mother [Louise] a new computer for her birthday. She really liked it. [Clarence] played cards with his son. His son's daughter [Louise] did not find it to be amusing.
[{('Kevin', 'grandfather', 'Clarence'): [('Kevin', 'sister', 'Louise'), ('Louise', 'grandfather', 'Clarence')]}]
['sister', 'grandfather']