[Robert] and his son [Allan] went to the store. [Robert] asked his daughter [Elsie] if she needed anything. [Elsie] and her sister [Angelica] were fighting. They never fight long though, and they made up the next day. [Allan] and his sister [Michelle] went to the movies to watch the newest superhero flick.
('Angelica', 'Michelle')
[Elsie] and her sister [Angelica] were fighting. They never fight long though, and they made up the next day. [Robert] and his son [Allan] went to the store. [Robert] asked his daughter [Elsie] if she needed anything. [Allan] and his sister [Michelle] went to the movies to watch the newest superhero flick.
[{('Angelica', 'sister', 'Michelle'): [('Angelica', 'sister', 'Elsie'), ('Elsie', 'sister', 'Michelle')]}, {('Elsie', 'sister', 'Michelle'): [('Elsie', 'brother', 'Allan'), ('Allan', 'sister', 'Michelle')]}, {('Elsie', 'brother', 'Allan'): [('Elsie', 'father', 'Robert'), ('Robert', 'son', 'Allan')]}]
['sister', 'father', 'son', 'sister']