[Joshua] is frustrated teaching his son how to drive. His son is [Don]. [Lynn] and her son [Don] had lunch together at a local Chinese restaurant. [Lynn] was playing hide-and-seek with her sister [David].
('Joshua', 'David')
[Joshua] is frustrated teaching his son how to drive. His son is [Don]. [Lynn] and her son [Don] had lunch together at a local Chinese restaurant. [Lynn] was playing hide-and-seek with her sister [David].
[{('Joshua', 'sister', 'David'): [('Joshua', 'son', 'Don'), ('Don', 'aunt', 'David')]}, {('Don', 'aunt', 'David'): [('Don', 'mother', 'Lynn'), ('Lynn', 'sister', 'David')]}]
['son', 'mother', 'sister']