[Dale] bought his brother [George] a present. It was to congratulate him on becoming a father to his new son, [April].
('April', 'Dale')
[Dale] bought his brother [George] a present. It was to congratulate him on becoming a father to his new son, [April].
[{('April', 'uncle', 'Dale'): [('April', 'father', 'George'), ('George', 'brother', 'Dale')]}]
['father', 'brother']