[Karen] does n't like her brother [Samuel]. [Jennifer] asked her two sisters [Karen] and [Nettie] if they were free for coffee this coming weekend. [Beverly] is so happy for her son. Her son [Samuel] just joined the Army.
('Nettie', 'Beverly')
[Jennifer] asked her two sisters [Karen] and [Nettie] if they were free for coffee this coming weekend. [Karen] does n't like her brother [Samuel]. [Beverly] is so happy for her son. Her son [Samuel] just joined the Army.
[{('Nettie', 'mother', 'Beverly'): [('Nettie', 'sister', 'Karen'), ('Karen', 'mother', 'Beverly')]}, {('Karen', 'mother', 'Beverly'): [('Karen', 'brother', 'Samuel'), ('Samuel', 'mother', 'Beverly')]}, {('Nettie', 'sister', 'Karen'): [('Nettie', 'sister', 'Jennifer'), ('Jennifer', 'sister', 'Karen')]}]
['sister', 'sister', 'brother', 'mother']