[Michelle] and her son [Dale] went to the zoo with [Michelle]'s brother [James]. [James] took his brother [John] to get lunch at a local diner.
('John', 'Dale')
[James] took his brother [John] to get lunch at a local diner. [Michelle] and her son [Dale] went to the zoo with [Michelle]'s brother [James].
[{('John', 'nephew', 'Dale'): [('John', 'sister', 'Michelle'), ('Michelle', 'son', 'Dale')]}, {('John', 'sister', 'Michelle'): [('John', 'brother', 'James'), ('James', 'sister', 'Michelle')]}]