[Mary] and her son, [Jacob] are very close. Unfortunately, [Jacob] and his daughter, [Alberta] are not.
('Alberta', 'Mary')
[Mary] and her son, [Jacob] are very close. Unfortunately, [Jacob] and his daughter, [Alberta] are not.
[{('Alberta', 'grandmother', 'Mary'): [('Alberta', 'father', 'Jacob'), ('Jacob', 'mother', 'Mary')]}]