[Robert] and his brother [Antonio] are constantly trying to one up each other. [Louis] is one of [Dorothy]'s brothers. They have lots of fun together. [Antonio] is taking his daughter [Bettie] out for lunch at her favorite restaurant. [Bettie] has an aunt named [Dorothy]
('Robert', 'Louis')
[Robert] and his brother [Antonio] are constantly trying to one up each other. [Antonio] is taking his daughter [Bettie] out for lunch at her favorite restaurant. [Bettie] has an aunt named [Dorothy] [Louis] is one of [Dorothy]'s brothers. They have lots of fun together.
[{('Robert', 'brother', 'Louis'): [('Robert', 'brother', 'Antonio'), ('Antonio', 'brother', 'Louis')]}, {('Antonio', 'brother', 'Louis'): [('Antonio', 'sister', 'Dorothy'), ('Dorothy', 'brother', 'Louis')]}, {('Antonio', 'sister', 'Dorothy'): [('Antonio', 'daughter', 'Bettie'), ('Bettie', 'aunt', 'Dorothy')]}]
['brother', 'daughter', 'aunt', 'brother']