[Louis], [Beverly]'s husband, took his son, [Michael], to watch a baseball game. [Michael] was invited to his Aunt [Marie]'s wedding next Spring. [Marie] took her son [John] to school this morning because he missed the bus.
('Beverly', 'John')
[Louis], [Beverly]'s husband, took his son, [Michael], to watch a baseball game. [Michael] was invited to his Aunt [Marie]'s wedding next Spring. [Marie] took her son [John] to school this morning because he missed the bus.
[{('Beverly', 'nephew', 'John'): [('Beverly', 'sister', 'Marie'), ('Marie', 'son', 'John')]}, {('Beverly', 'sister', 'Marie'): [('Beverly', 'son', 'Michael'), ('Michael', 'aunt', 'Marie')]}, {('Beverly', 'son', 'Michael'): [('Beverly', 'husband', 'Louis'), ('Louis', 'son', 'Michael')]}]
['husband', 'son', 'aunt', 'son']