[Brandon] and his son [Hugh] are playing a father-son game of basketball. [Bobby] is waiting to go to dinner with his dad [Hugh]. [David] took her son, [Bobby], to the movie theater for his birthday.
('David', 'Brandon')
[David] took her son, [Bobby], to the movie theater for his birthday. [Brandon] and his son [Hugh] are playing a father-son game of basketball. [Bobby] is waiting to go to dinner with his dad [Hugh].
[{('David', 'son', 'Brandon'): [('David', 'son', 'Bobby'), ('Bobby', 'brother', 'Brandon')]}, {('Bobby', 'brother', 'Brandon'): [('Bobby', 'father', 'Hugh'), ('Hugh', 'son', 'Brandon')]}]
['son', 'father', 'son']