[Frances] is very proud of her son. His name is [Joshua]. [Don] treated his father [Joshua] and sister [Andrea] to a fancy dinner.
('Andrea', 'Frances')
[Don] treated his father [Joshua] and sister [Andrea] to a fancy dinner. [Frances] is very proud of her son. His name is [Joshua].
[{('Andrea', 'grandmother', 'Frances'): [('Andrea', 'brother', 'Don'), ('Don', 'grandmother', 'Frances')]}, {('Don', 'grandmother', 'Frances'): [('Don', 'father', 'Joshua'), ('Joshua', 'mother', 'Frances')]}]
['brother', 'father', 'mother']