[Frances] is very proud of her son. His name is [Hugh]. [Lena] and her brother [Hugh] always argue about politics. [Lena]'s daughter [Martha] thinks it is funny.
('Martha', 'Frances')
[Lena] and her brother [Hugh] always argue about politics. [Lena]'s daughter [Martha] thinks it is funny. [Frances] is very proud of her son. His name is [Hugh].
[{('Martha', 'grandmother', 'Frances'): [('Martha', 'mother', 'Lena'), ('Lena', 'mother', 'Frances')]}, {('Lena', 'mother', 'Frances'): [('Lena', 'brother', 'Hugh'), ('Hugh', 'mother', 'Frances')]}]
['mother', 'brother', 'mother']