[Hugh] took his daughter [Marie] and son [Bobby] to the beach. [Marie] called [Gloria], her sister, to see if she wanted to go out to eat.
('Gloria', 'Bobby')
[Marie] called [Gloria], her sister, to see if she wanted to go out to eat. [Hugh] took his daughter [Marie] and son [Bobby] to the beach.
[{('Gloria', 'brother', 'Bobby'): [('Gloria', 'sister', 'Marie'), ('Marie', 'brother', 'Bobby')]}, {('Marie', 'brother', 'Bobby'): [('Marie', 'father', 'Hugh'), ('Hugh', 'son', 'Bobby')]}]
['sister', 'father', 'son']