[Tracy] and her sister [Marie] were at the library studying. [Bettie], [Tracy]'s daughter, started laughing, and [Bettie] told her to be quiet. [Robert] and his daughter [Michelle] went to Disney World together. [Marie] picked up her daughter [Michelle] from school early.
('Robert', 'Bettie')
[Robert] and his daughter [Michelle] went to Disney World together. [Marie] picked up her daughter [Michelle] from school early. [Tracy] and her sister [Marie] were at the library studying. [Bettie], [Tracy]'s daughter, started laughing, and [Bettie] told her to be quiet.
[{('Robert', 'niece', 'Bettie'): [('Robert', 'sister', 'Tracy'), ('Tracy', 'daughter', 'Bettie')]}, {('Robert', 'sister', 'Tracy'): [('Robert', 'daughter', 'Michelle'), ('Michelle', 'aunt', 'Tracy')]}, {('Michelle', 'aunt', 'Tracy'): [('Michelle', 'mother', 'Marie'), ('Marie', 'sister', 'Tracy')]}]
['daughter', 'mother', 'sister', 'daughter']