[Lena] and her sister [Lynn] were going to a party held by [Lena]'s mom, [Frances]. [Lynn] invited her brother [Wesley] to come, too, but he was too busy.
('Frances', 'Wesley')
[Lena] and her sister [Lynn] were going to a party held by [Lena]'s mom, [Frances]. [Lynn] invited her brother [Wesley] to come, too, but he was too busy.
[{('Frances', 'son', 'Wesley'): [('Frances', 'daughter', 'Lynn'), ('Lynn', 'brother', 'Wesley')]}, {('Frances', 'daughter', 'Lynn'): [('Frances', 'daughter', 'Lena'), ('Lena', 'sister', 'Lynn')]}]
['daughter', 'sister', 'brother']