[John] was angry with his brother [James] for forgetting to pick him up from school. [Michelle] and her brother [John] watched TV together. [Matthew] was invited to watch too, because [Michelle] is his sister.
('Matthew', 'James')
[Michelle] and her brother [John] watched TV together. [Matthew] was invited to watch too, because [Michelle] is his sister. [John] was angry with his brother [James] for forgetting to pick him up from school.
[{('Matthew', 'brother', 'James'): [('Matthew', 'brother', 'John'), ('John', 'brother', 'James')]}, {('Matthew', 'brother', 'John'): [('Matthew', 'sister', 'Michelle'), ('Michelle', 'brother', 'John')]}]