[Michelle] is getting married. She is looking forward to her sister, [Elsie], attending. They have n't seen each other since [Elsie] relocated to California with her husband 3 years ago. [John] invited his sister [Michelle] out to watch the meteor shower. [Marie] gave her son, [John], blankets for them to sit on and snacks to eat while they watched the meteors. [Robert] and his wife, [Marie], just celebrated 10 years of marriage.
('Robert', 'Elsie')
[Robert] and his wife, [Marie], just celebrated 10 years of marriage. [John] invited his sister [Michelle] out to watch the meteor shower. [Marie] gave her son, [John], blankets for them to sit on and snacks to eat while they watched the meteors. [Michelle] is getting married. She is looking forward to her sister, [Elsie], attending. They have n't seen each other since [Elsie] relocated to California with her husband 3 years ago.
[{('Robert', 'daughter', 'Elsie'): [('Robert', 'son', 'John'), ('John', 'sister', 'Elsie')]}, {('John', 'sister', 'Elsie'): [('John', 'sister', 'Michelle'), ('Michelle', 'sister', 'Elsie')]}, {('Robert', 'son', 'John'): [('Robert', 'wife', 'Marie'), ('Marie', 'son', 'John')]}]
['wife', 'son', 'sister', 'sister']