[Rebecca] was playing in the sandbox with her brother [James]. After leaving his mom [Dorothy]'s house [Jeffrey] called his sister [Rebecca]. [Tracy] is getting married. She is looking forward to her sister, [Dorothy], attending. They have n't seen each other since [Dorothy] relocated to California with her husband 3 years ago.
('Tracy', 'James')
[Tracy] is getting married. She is looking forward to her sister, [Dorothy], attending. They have n't seen each other since [Dorothy] relocated to California with her husband 3 years ago. After leaving his mom [Dorothy]'s house [Jeffrey] called his sister [Rebecca]. [Rebecca] was playing in the sandbox with her brother [James].
[{('Tracy', 'nephew', 'James'): [('Tracy', 'sister', 'Dorothy'), ('Dorothy', 'son', 'James')]}, {('Dorothy', 'son', 'James'): [('Dorothy', 'son', 'Jeffrey'), ('Jeffrey', 'brother', 'James')]}, {('Jeffrey', 'brother', 'James'): [('Jeffrey', 'sister', 'Rebecca'), ('Rebecca', 'brother', 'James')]}]
['sister', 'son', 'sister', 'brother']