[Lynn] could n't wait for the surprise birthday party that she was throwing for her brother [Hugh] next weekend. [Lynn] met her dad, [James], for the first time when he returned from deployment. [Hugh] bought a book for his son [Johnson].
('Johnson', 'James')
[Hugh] bought a book for his son [Johnson]. [Lynn] could n't wait for the surprise birthday party that she was throwing for her brother [Hugh] next weekend. [Lynn] met her dad, [James], for the first time when he returned from deployment.
[{('Johnson', 'grandfather', 'James'): [('Johnson', 'father', 'Hugh'), ('Hugh', 'father', 'James')]}, {('Hugh', 'father', 'James'): [('Hugh', 'sister', 'Lynn'), ('Lynn', 'father', 'James')]}]
['father', 'sister', 'father']