[Robert] decided to give his son [Allan], for his birthday, the latest version of Apple watch. [Allan] hit his brother [Ronald] in the head. [Angelica] is the proud daughter of [Robert]. [Angelica] also has a brother named [Mario].
('Ronald', 'Mario')
[Allan] hit his brother [Ronald] in the head. [Robert] decided to give his son [Allan], for his birthday, the latest version of Apple watch. [Angelica] is the proud daughter of [Robert]. [Angelica] also has a brother named [Mario].
[{('Ronald', 'brother', 'Mario'): [('Ronald', 'sister', 'Angelica'), ('Angelica', 'brother', 'Mario')]}, {('Ronald', 'sister', 'Angelica'): [('Ronald', 'brother', 'Allan'), ('Allan', 'sister', 'Angelica')]}, {('Allan', 'sister', 'Angelica'): [('Allan', 'father', 'Robert'), ('Robert', 'daughter', 'Angelica')]}]
['brother', 'father', 'daughter', 'brother']