[Hugh] and his brother [Wesley] went out for lunch. [Hugh] had a burger, and [Wesley] had a chicken sandwich. [Wesley]'s sister, [Lynn], was so happy to have him home. He was home from college. [Lynn] is getting married. She is looking forward to her sister, [Lena], attending. They have n't seen each other since [Lena] relocated to California with her husband 3 years ago.
('Hugh', 'Lena')
[Hugh] and his brother [Wesley] went out for lunch. [Hugh] had a burger, and [Wesley] had a chicken sandwich. [Wesley]'s sister, [Lynn], was so happy to have him home. He was home from college. [Lynn] is getting married. She is looking forward to her sister, [Lena], attending. They have n't seen each other since [Lena] relocated to California with her husband 3 years ago.
[{('Hugh', 'sister', 'Lena'): [('Hugh', 'sister', 'Lynn'), ('Lynn', 'sister', 'Lena')]}, {('Hugh', 'sister', 'Lynn'): [('Hugh', 'brother', 'Wesley'), ('Wesley', 'sister', 'Lynn')]}]
['brother', 'sister', 'sister']