[Margaret] and her husband [Brent] will be celebrating 30 years of marriage this month. [Brent] asked his father, [John], to help him with his math homework. [John] could n't, because he was lousy at math himself.
('Margaret', 'John')
[Margaret] and her husband [Brent] will be celebrating 30 years of marriage this month. [Brent] asked his father, [John], to help him with his math homework. [John] could n't, because he was lousy at math himself.
[{('Margaret', 'father-in-law', 'John'): [('Margaret', 'husband', 'Brent'), ('Brent', 'father', 'John')]}]