[Hugh] took his son [Michael] and daughter [Marie] to the movies yesterday and while there they saw LInda's grandfather [James].
('Michael', 'James')
[Hugh] took his son [Michael] and daughter [Marie] to the movies yesterday and while there they saw LInda's grandfather [James].
[{('Michael', 'grandfather', 'James'): [('Michael', 'sister', 'Marie'), ('Marie', 'grandfather', 'James')]}, {('Michael', 'sister', 'Marie'): [('Michael', 'father', 'Hugh'), ('Hugh', 'daughter', 'Marie')]}]
['father', 'daughter', 'grandfather']