[Hugh] is taking his son [Bobby] out for coffee. [Hugh] decided to give his son [Brandon], for his birthday, the latest version of Apple watch. [Lena] is taking her nephew [Bobby] out for dinner.
('Brandon', 'Lena')
[Hugh] decided to give his son [Brandon], for his birthday, the latest version of Apple watch. [Hugh] is taking his son [Bobby] out for coffee. [Lena] is taking her nephew [Bobby] out for dinner.
[{('Brandon', 'aunt', 'Lena'): [('Brandon', 'father', 'Hugh'), ('Hugh', 'sister', 'Lena')]}, {('Hugh', 'sister', 'Lena'): [('Hugh', 'son', 'Bobby'), ('Bobby', 'aunt', 'Lena')]}]
['father', 'son', 'aunt']