[Tracy] sat anxiously in the airport terminal, waiting to see her son [Bobby] walk through the gate. [Louis] came to visit his wife [Beverly] for lunch today. [Karen] loves painting with her father. His name is [Louis]. [Bobby] invited his Aunt [Beverly] to come to his graduation party.
('Tracy', 'Karen')
[Tracy] sat anxiously in the airport terminal, waiting to see her son [Bobby] walk through the gate. [Bobby] invited his Aunt [Beverly] to come to his graduation party. [Louis] came to visit his wife [Beverly] for lunch today. [Karen] loves painting with her father. His name is [Louis].
[{('Tracy', 'niece', 'Karen'): [('Tracy', 'sister', 'Beverly'), ('Beverly', 'daughter', 'Karen')]}, {('Beverly', 'daughter', 'Karen'): [('Beverly', 'husband', 'Louis'), ('Louis', 'daughter', 'Karen')]}, {('Tracy', 'sister', 'Beverly'): [('Tracy', 'son', 'Bobby'), ('Bobby', 'aunt', 'Beverly')]}]
['son', 'aunt', 'husband', 'daughter']