[Wesley] bought a book for his son [Irvin]. [James] wanted his son, [Wesley], to go fishing with him. [Tina] went on a vacation with her brother [Irvin].
('Tina', 'James')
[Tina] went on a vacation with her brother [Irvin]. [Wesley] bought a book for his son [Irvin]. [James] wanted his son, [Wesley], to go fishing with him.
[{('Tina', 'grandfather', 'James'): [('Tina', 'father', 'Wesley'), ('Wesley', 'father', 'James')]}, {('Tina', 'father', 'Wesley'): [('Tina', 'brother', 'Irvin'), ('Irvin', 'father', 'Wesley')]}]
['brother', 'father', 'father']