[Lynn] is [Thomas]'s mother. She takes very good care of him. [Don]'s sister [Juanita] and mother [Lynn] had dinner together at a local diner.
('Thomas', 'Juanita')
[Lynn] is [Thomas]'s mother. She takes very good care of him. [Don]'s sister [Juanita] and mother [Lynn] had dinner together at a local diner.
[{('Thomas', 'sister', 'Juanita'): [('Thomas', 'brother', 'Don'), ('Don', 'sister', 'Juanita')]}, {('Thomas', 'brother', 'Don'): [('Thomas', 'mother', 'Lynn'), ('Lynn', 'son', 'Don')]}]
['mother', 'son', 'sister']