[Joshua] is in the sixth grade. He looks up to his sister [Cindy], who is in the seventh. [Cindy] took her son [Richard] to school this morning because he missed the bus. [Hugh] and his brother [Joshua] went to the football game together.
('Hugh', 'Richard')
[Hugh] and his brother [Joshua] went to the football game together. [Joshua] is in the sixth grade. He looks up to his sister [Cindy], who is in the seventh. [Cindy] took her son [Richard] to school this morning because he missed the bus.
[{('Hugh', 'nephew', 'Richard'): [('Hugh', 'sister', 'Cindy'), ('Cindy', 'son', 'Richard')]}, {('Hugh', 'sister', 'Cindy'): [('Hugh', 'brother', 'Joshua'), ('Joshua', 'sister', 'Cindy')]}]
['brother', 'sister', 'son']