[Lillian] is looking for a good gift for her sister [Theresa]. [Timothy]'s mother [Lillian] was present at the thanksgiving service.
('Timothy', 'Theresa')
[Timothy]'s mother [Lillian] was present at the thanksgiving service. [Lillian] is looking for a good gift for her sister [Theresa].
[{('Timothy', 'aunt', 'Theresa'): [('Timothy', 'mother', 'Lillian'), ('Lillian', 'sister', 'Theresa')]}]
['mother', 'sister']