[Marie] 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. [Dorothy] and her brother [Robert] are playing the opening game. [Robert]'s son [John] is going to watch them. [Beverly] has sister who just had a baby boy and named him [John]. [Beverly] is exited to be his aunt.
('Marie', 'Beverly')
[Marie] 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. [Dorothy] and her brother [Robert] are playing the opening game. [Robert]'s son [John] is going to watch them. [Beverly] has sister who just had a baby boy and named him [John]. [Beverly] is exited to be his aunt.
[{('Marie', 'sister', 'Beverly'): [('Marie', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Beverly')]}, {('Dorothy', 'sister', 'Beverly'): [('Dorothy', 'brother', 'Robert'), ('Robert', 'sister', 'Beverly')]}, {('Robert', 'sister', 'Beverly'): [('Robert', 'son', 'John'), ('John', 'aunt', 'Beverly')]}]
['sister', 'brother', 'son', 'aunt']