[Antonio] and his brother [Pedro] went to see a baseball game on Friday and had a great time. [Elsie] went shopping at the mall with her mother [Marie] [Pedro] is a man with a niece named [Angelica]. [Angelica] and her mother [Marie] attended a play at the theater.
('Elsie', 'Antonio')
[Elsie] went shopping at the mall with her mother [Marie] [Angelica] and her mother [Marie] attended a play at the theater. [Pedro] is a man with a niece named [Angelica]. [Antonio] and his brother [Pedro] went to see a baseball game on Friday and had a great time.
[{('Elsie', 'uncle', 'Antonio'): [('Elsie', 'mother', 'Marie'), ('Marie', 'brother', 'Antonio')]}, {('Marie', 'brother', 'Antonio'): [('Marie', 'brother', 'Pedro'), ('Pedro', 'brother', 'Antonio')]}, {('Marie', 'brother', 'Pedro'): [('Marie', 'daughter', 'Angelica'), ('Angelica', 'uncle', 'Pedro')]}]
['mother', 'daughter', 'uncle', 'brother']