[Ann] could n't wait for her father, [George], to see the gift she bought for him. [George] is in the sixth grade. He looks up to his sister [Theresa], who is in the seventh.
('Ann', 'Theresa')
[Ann] could n't wait for her father, [George], to see the gift she bought for him. [George] is in the sixth grade. He looks up to his sister [Theresa], who is in the seventh.
[{('Ann', 'aunt', 'Theresa'): [('Ann', 'father', 'George'), ('George', 'sister', 'Theresa')]}]
['father', 'sister']