[Nancy] is [Jeff]'s mother. She takes very good care of him. [Lillian] and her sister [Nancy] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while.
('Jeff', 'Lillian')
[Nancy] is [Jeff]'s mother. She takes very good care of him. [Lillian] and her sister [Nancy] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while.
[{('Jeff', 'aunt', 'Lillian'): [('Jeff', 'mother', 'Nancy'), ('Nancy', 'sister', 'Lillian')]}]
['mother', 'sister']