[Tracy] took her younger sister [Dorothy] to the carnival last weekend. [Beverly] called [Tracy], her sister, to see if she wanted to go out to eat. [Antonio] and his brother [Robert] love swimming in the lake by there house. [Robert], however, hates when his mom makes him bring his sister [Dorothy] along.
('Antonio', 'Beverly')
[Antonio] and his brother [Robert] love swimming in the lake by there house. [Robert], however, hates when his mom makes him bring his sister [Dorothy] along. [Tracy] took her younger sister [Dorothy] to the carnival last weekend. [Beverly] called [Tracy], her sister, to see if she wanted to go out to eat.
[{('Antonio', 'sister', 'Beverly'): [('Antonio', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Beverly')]}, {('Antonio', 'sister', 'Dorothy'): [('Antonio', 'brother', 'Robert'), ('Robert', 'sister', 'Dorothy')]}, {('Dorothy', 'sister', 'Beverly'): [('Dorothy', 'sister', 'Tracy'), ('Tracy', 'sister', 'Beverly')]}]
['brother', 'sister', 'sister', 'sister']