[Samuel] is one of [Jennifer]'s brothers. They have lots of fun together. [Nettie] and her sister [Karen] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [Nettie] was playing in the sandbox with her brother [Samuel]. [Samuel]'s sister, [Jennifer], bought movie tickets at a discount rate.
('Karen', 'Samuel')
[Nettie] and her sister [Karen] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [Nettie] was playing in the sandbox with her brother [Samuel]. [Samuel]'s sister, [Jennifer], bought movie tickets at a discount rate. [Samuel] is one of [Jennifer]'s brothers. They have lots of fun together.
[{('Karen', 'brother', 'Samuel'): [('Karen', 'sister', 'Jennifer'), ('Jennifer', 'brother', 'Samuel')]}, {('Karen', 'sister', 'Jennifer'): [('Karen', 'sister', 'Nettie'), ('Nettie', 'sister', 'Jennifer')]}, {('Nettie', 'sister', 'Jennifer'): [('Nettie', 'brother', 'Samuel'), ('Samuel', 'sister', 'Jennifer')]}]
['sister', 'brother', 'sister', 'brother']