[John] bought his sister [Michelle] a video game for her birthday. She said it was her favorite game and gave him a big hug. [Marie] and her husband, [Robert], went for a walk. [John], [Robert]'s son, tagged along. [Dorothy] was eager to see her niece, [Michelle]. They had n't seen each other in ages
('Marie', 'Dorothy')
[Marie] and her husband, [Robert], went for a walk. [John], [Robert]'s son, tagged along. [John] bought his sister [Michelle] a video game for her birthday. She said it was her favorite game and gave him a big hug. [Dorothy] was eager to see her niece, [Michelle]. They had n't seen each other in ages
[{('Marie', 'sister', 'Dorothy'): [('Marie', 'daughter', 'Michelle'), ('Michelle', 'aunt', 'Dorothy')]}, {('Marie', 'daughter', 'Michelle'): [('Marie', 'husband', 'Robert'), ('Robert', 'daughter', 'Michelle')]}, {('Robert', 'daughter', 'Michelle'): [('Robert', 'son', 'John'), ('John', 'sister', 'Michelle')]}]
['husband', 'son', 'sister', 'aunt']