[Lynn] and her son [Don] went to the zoo and then out to dinner yesterday. [Hugh] enjoys talking to his sister and her son. Her son is [Don]. [Frances] has an amazing son. Her son [Hugh] is very talented.
('Lynn', 'Frances')
[Lynn] and her son [Don] went to the zoo and then out to dinner yesterday. [Hugh] enjoys talking to his sister and her son. Her son is [Don]. [Frances] has an amazing son. Her son [Hugh] is very talented.
[{('Lynn', 'mother', 'Frances'): [('Lynn', 'brother', 'Hugh'), ('Hugh', 'mother', 'Frances')]}, {('Lynn', 'brother', 'Hugh'): [('Lynn', 'son', 'Don'), ('Don', 'uncle', 'Hugh')]}]
['son', 'uncle', 'mother']