[Travis]'s mother [Theresa] was present at the thanksgiving service. [Theresa] is taking a trip to see her sister [Lillian].
('Travis', 'Lillian')
[Travis]'s mother [Theresa] was present at the thanksgiving service. [Theresa] is taking a trip to see her sister [Lillian].
[{('Travis', 'aunt', 'Lillian'): [('Travis', 'mother', 'Theresa'), ('Theresa', 'sister', 'Lillian')]}]
['mother', 'sister']