[Ann] just recently met her father, [George]. They both love to fish and hunt. [George] was proud of his son, [John].
('Ann', 'John')
[Ann] just recently met her father, [George]. They both love to fish and hunt. [George] was proud of his son, [John].
[{('Ann', 'brother', 'John'): [('Ann', 'father', 'George'), ('George', 'son', 'John')]}]
['father', 'son']