[Bobby] called his brother, [Johnson], to confirm when [Johnson]'s sister, [Marie], was coming to the dinner. [Hugh] went hunting with his son, [Bobby].
('Marie', 'Hugh')
[Bobby] called his brother, [Johnson], to confirm when [Johnson]'s sister, [Marie], was coming to the dinner. [Hugh] went hunting with his son, [Bobby].
[{('Marie', 'father', 'Hugh'): [('Marie', 'brother', 'Bobby'), ('Bobby', 'father', 'Hugh')]}, {('Marie', 'brother', 'Bobby'): [('Marie', 'brother', 'Johnson'), ('Johnson', 'brother', 'Bobby')]}]
['brother', 'brother', 'father']