[Michelle] was playing in the sandbox with her brother [John]. [Matthew] went jogging with his brother [James]. [James]'s brother [John] prefers running instead.
('Michelle', 'Matthew')
[Michelle] was playing in the sandbox with her brother [John]. [Matthew] went jogging with his brother [James]. [James]'s brother [John] prefers running instead.
[{('Michelle', 'brother', 'Matthew'): [('Michelle', 'brother', 'James'), ('James', 'brother', 'Matthew')]}, {('Michelle', 'brother', 'James'): [('Michelle', 'brother', 'John'), ('John', 'brother', 'James')]}]