[Paul] was glad his aunt [Marie] could visit for a while [Samuel] took his mother [Beverly] and his sister [Nettie] out to lunch. [Paul] is one of [Nettie]'s brothers. They have lots of fun together.
('Beverly', 'Marie')
[Samuel] took his mother [Beverly] and his sister [Nettie] out to lunch. [Paul] is one of [Nettie]'s brothers. They have lots of fun together. [Paul] was glad his aunt [Marie] could visit for a while
[{('Beverly', 'sister', 'Marie'): [('Beverly', 'son', 'Paul'), ('Paul', 'aunt', 'Marie')]}, {('Beverly', 'son', 'Paul'): [('Beverly', 'daughter', 'Nettie'), ('Nettie', 'brother', 'Paul')]}, {('Beverly', 'daughter', 'Nettie'): [('Beverly', 'son', 'Samuel'), ('Samuel', 'sister', 'Nettie')]}]
['son', 'sister', 'brother', 'aunt']