[John]'s son [Bret] is in the hospital. [Bret]'s brother [Allan] accidentally hit him with a hammer. [Tracy] and her husband [Allan] just celebrated 10 years of marriage.
('John', 'Tracy')
[John]'s son [Bret] is in the hospital. [Bret]'s brother [Allan] accidentally hit him with a hammer. [Tracy] and her husband [Allan] just celebrated 10 years of marriage.
[{('John', 'daughter-in-law', 'Tracy'): [('John', 'son', 'Allan'), ('Allan', 'wife', 'Tracy')]}, {('John', 'son', 'Allan'): [('John', 'son', 'Bret'), ('Bret', 'brother', 'Allan')]}]