[Frances] and her grandson [Wayne] went shopping for new shoes. [Cindy] and her son [Wayne] had lunch together at a local Chinese restaurant. [Cindy] liked to play hide and seek with her son [Richard].
('Frances', 'Richard')
[Frances] and her grandson [Wayne] went shopping for new shoes. [Cindy] and her son [Wayne] had lunch together at a local Chinese restaurant. [Cindy] liked to play hide and seek with her son [Richard].
[{('Frances', 'grandson', 'Richard'): [('Frances', 'grandson', 'Wayne'), ('Wayne', 'brother', 'Richard')]}, {('Wayne', 'brother', 'Richard'): [('Wayne', 'mother', 'Cindy'), ('Cindy', 'son', 'Richard')]}]
['grandson', 'mother', 'son']