[Jennifer] loves her brother [Dennis]. [Jennifer] and her mother [Amy] attended a play at the theater.
('Amy', 'Dennis')
[Jennifer] and her mother [Amy] attended a play at the theater. [Jennifer] loves her brother [Dennis].
[{('Amy', 'son', 'Dennis'): [('Amy', 'daughter', 'Jennifer'), ('Jennifer', 'brother', 'Dennis')]}]
['daughter', 'brother']