[Ronald] and his father [Robert] went jogging by the lake. [Angelica] and her brother [Mario] were having a wonderful time at Disneyland. [Angelica]'s brother, [Ronald], was getting ready to start a new job. [Angelica] was very happy for him. [Antonio] was in the backyard throwing the baseball around with his uncle [Mario].
('Robert', 'Antonio')
[Ronald] and his father [Robert] went jogging by the lake. [Angelica]'s brother, [Ronald], was getting ready to start a new job. [Angelica] was very happy for him. [Angelica] and her brother [Mario] were having a wonderful time at Disneyland. [Antonio] was in the backyard throwing the baseball around with his uncle [Mario].
[{('Robert', 'brother', 'Antonio'): [('Robert', 'son', 'Mario'), ('Mario', 'uncle', 'Antonio')]}, {('Robert', 'son', 'Mario'): [('Robert', 'daughter', 'Angelica'), ('Angelica', 'brother', 'Mario')]}, {('Robert', 'daughter', 'Angelica'): [('Robert', 'son', 'Ronald'), ('Ronald', 'sister', 'Angelica')]}]
['son', 'sister', 'brother', 'uncle']