[Angelica] got a big birthday cake from her aunt [Dorothy]. [Dorothy] went out to dinner with her sister [Tracy], and [Tracy]'s daughter [Bettie]. [Marie]'s daughter, [Angelica], just graduated high school.
('Marie', 'Bettie')
[Marie]'s daughter, [Angelica], just graduated high school. [Angelica] got a big birthday cake from her aunt [Dorothy]. [Dorothy] went out to dinner with her sister [Tracy], and [Tracy]'s daughter [Bettie].
[{('Marie', 'niece', 'Bettie'): [('Marie', 'sister', 'Tracy'), ('Tracy', 'daughter', 'Bettie')]}, {('Marie', 'sister', 'Tracy'): [('Marie', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Tracy')]}, {('Marie', 'sister', 'Dorothy'): [('Marie', 'daughter', 'Angelica'), ('Angelica', 'aunt', 'Dorothy')]}]
['daughter', 'aunt', 'sister', 'daughter']