[Dorothy] visited her brother [Robert] in New York. His sister [Beverly] was there too. [Beverly] loves playing chess her son. His name is [Samuel]. [Tracy] took her younger sister [Dorothy] to the carnival last weekend.
('Samuel', 'Tracy')
[Beverly] loves playing chess her son. His name is [Samuel]. [Dorothy] visited her brother [Robert] in New York. His sister [Beverly] was there too. [Tracy] took her younger sister [Dorothy] to the carnival last weekend.
[{('Samuel', 'aunt', 'Tracy'): [('Samuel', 'mother', 'Beverly'), ('Beverly', 'sister', 'Tracy')]}, {('Beverly', 'sister', 'Tracy'): [('Beverly', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Tracy')]}, {('Beverly', 'sister', 'Dorothy'): [('Beverly', 'brother', 'Robert'), ('Robert', 'sister', 'Dorothy')]}]
['mother', 'brother', 'sister', 'sister']