[Lynn] and her mother [Frances] attended a play at the theater. [Frances] and her daughter [David] were on vaction. [David] was so proud of her daughter [Gloria] for getting straight A's this semester.
('Gloria', 'Lynn')
[David] was so proud of her daughter [Gloria] for getting straight A's this semester. [Frances] and her daughter [David] were on vaction. [Lynn] and her mother [Frances] attended a play at the theater.
[{('Gloria', 'aunt', 'Lynn'): [('Gloria', 'mother', 'David'), ('David', 'sister', 'Lynn')]}, {('David', 'sister', 'Lynn'): [('David', 'mother', 'Frances'), ('Frances', 'daughter', 'Lynn')]}]
['mother', 'mother', 'daughter']