[Bobby] is so excited that he gets to visit his aunt [Lena] this summer. [David] took her son [Bobby] to the mall to shop for school clothes. [Lena] asked her father [James] for some money to go out this weekend.
('David', 'James')
[David] took her son [Bobby] to the mall to shop for school clothes. [Bobby] is so excited that he gets to visit his aunt [Lena] this summer. [Lena] asked her father [James] for some money to go out this weekend.
[{('David', 'father', 'James'): [('David', 'sister', 'Lena'), ('Lena', 'father', 'James')]}, {('David', 'sister', 'Lena'): [('David', 'son', 'Bobby'), ('Bobby', 'aunt', 'Lena')]}]
['son', 'aunt', 'father']