[Hugh]'s daughter [Marie] and other daughter [Gloria] met [Gloria]'s brother, [Bobby], at the park.
('Bobby', 'Marie')
[Hugh]'s daughter [Marie] and other daughter [Gloria] met [Gloria]'s brother, [Bobby], at the park.
[{('Bobby', 'sister', 'Marie'): [('Bobby', 'father', 'Hugh'), ('Hugh', 'daughter', 'Marie')]}, {('Bobby', 'father', 'Hugh'): [('Bobby', 'sister', 'Gloria'), ('Gloria', 'father', 'Hugh')]}]
['sister', 'father', 'daughter']