[Jennifer] went on a vacation with her brother [Dennis]. [Amy] and her daughter [Jennifer] went out to dinner.
('Amy', 'Dennis')
[Amy] and her daughter [Jennifer] went out to dinner. [Jennifer] went on a vacation with her brother [Dennis].
[{('Amy', 'son', 'Dennis'): [('Amy', 'daughter', 'Jennifer'), ('Jennifer', 'brother', 'Dennis')]}]
['daughter', 'brother']