[Matthew] met his brother [James] for drinks after work. [James] went to pick up his son [Richard] from the baseball practice. [Rich] and [Richard] get along pretty well but it has nothing to do with [Rich] being the uncle of [Richard].
('Matthew', 'Rich')
[Matthew] met his brother [James] for drinks after work. [James] went to pick up his son [Richard] from the baseball practice. [Rich] and [Richard] get along pretty well but it has nothing to do with [Rich] being the uncle of [Richard].
[{('Matthew', 'brother', 'Rich'): [('Matthew', 'brother', 'James'), ('James', 'brother', 'Rich')]}, {('James', 'brother', 'Rich'): [('James', 'son', 'Richard'), ('Richard', 'uncle', 'Rich')]}]