[Anna]'s beautiful sister named [Wilhelmina] calls her on the phone this morning. [Anna] sends some flowers to her grandmother [Frances] later that day. [Pete] is in the sixth grade. He looks up to his sister [Wilhelmina], who is in the seventh.
('Pete', 'Frances')
[Pete] is in the sixth grade. He looks up to his sister [Wilhelmina], who is in the seventh. [Anna]'s beautiful sister named [Wilhelmina] calls her on the phone this morning. [Anna] sends some flowers to her grandmother [Frances] later that day.
[{('Pete', 'grandmother', 'Frances'): [('Pete', 'sister', 'Wilhelmina'), ('Wilhelmina', 'grandmother', 'Frances')]}, {('Wilhelmina', 'grandmother', 'Frances'): [('Wilhelmina', 'sister', 'Anna'), ('Anna', 'grandmother', 'Frances')]}]
['sister', 'sister', 'grandmother']