[Beverly] picked up her daughter [Nettie] from school early. [Samuel]'s mother [Beverly] made a cake for his birthday and her other son [Paul] ate a piece of it. [Beverly] asked her son [Samuel] to help her fix her television.
('Nettie', 'Paul')
[Beverly] picked up her daughter [Nettie] from school early. [Beverly] asked her son [Samuel] to help her fix her television. [Samuel]'s mother [Beverly] made a cake for his birthday and her other son [Paul] ate a piece of it.
[{('Nettie', 'brother', 'Paul'): [('Nettie', 'brother', 'Samuel'), ('Samuel', 'brother', 'Paul')]}, {('Samuel', 'brother', 'Paul'): [('Samuel', 'mother', 'Beverly'), ('Beverly', 'son', 'Paul')]}, {('Nettie', 'brother', 'Samuel'): [('Nettie', 'mother', 'Beverly'), ('Beverly', 'son', 'Samuel')]}]
['mother', 'son', 'mother', 'son']