[Lillian] loves playing checkers with her sister's son. His name is [Travis]. [Travis] and his father [Dale] went to the golf course in town on Saturday and had a great time.
('Dale', 'Lillian')
[Travis] and his father [Dale] went to the golf course in town on Saturday and had a great time. [Lillian] loves playing checkers with her sister's son. His name is [Travis].
[{('Dale', 'sister', 'Lillian'): [('Dale', 'son', 'Travis'), ('Travis', 'aunt', 'Lillian')]}]
['son', 'aunt']