[Robert] and his sister [Beverly] walked to school together every day, since they only lived two blocks away from the school. [Jennifer] took her younger sister [Nicole] to the carnival last weekend. [Beverly] and her husband [Louis] just got back from their honeymoon in Hawaii. They had a wonderful time there. [Louis] read his daughter [Nicole] a bedtime story. Soon she was fast asleep.
('Robert', 'Jennifer')
[Robert] and his sister [Beverly] walked to school together every day, since they only lived two blocks away from the school. [Beverly] and her husband [Louis] just got back from their honeymoon in Hawaii. They had a wonderful time there. [Louis] read his daughter [Nicole] a bedtime story. Soon she was fast asleep. [Jennifer] took her younger sister [Nicole] to the carnival last weekend.
[{('Robert', 'niece', 'Jennifer'): [('Robert', 'sister', 'Beverly'), ('Beverly', 'daughter', 'Jennifer')]}, {('Beverly', 'daughter', 'Jennifer'): [('Beverly', 'husband', 'Louis'), ('Louis', 'daughter', 'Jennifer')]}, {('Louis', 'daughter', 'Jennifer'): [('Louis', 'daughter', 'Nicole'), ('Nicole', 'sister', 'Jennifer')]}]
['sister', 'husband', 'daughter', 'sister']