[Marie] told her son [Mario] to go outside and play. His sister [Angelica] went with him. [Marie] went with her brother [Pedro] to the mall to buy some new candles. [Tracy] went to the arcade with her niece, [Angelica]. They had lots of fun playing together.
('Pedro', 'Tracy')
[Marie] went with her brother [Pedro] to the mall to buy some new candles. [Marie] told her son [Mario] to go outside and play. His sister [Angelica] went with him. [Tracy] went to the arcade with her niece, [Angelica]. They had lots of fun playing together.
[{('Pedro', 'sister', 'Tracy'): [('Pedro', 'sister', 'Marie'), ('Marie', 'sister', 'Tracy')]}, {('Marie', 'sister', 'Tracy'): [('Marie', 'daughter', 'Angelica'), ('Angelica', 'aunt', 'Tracy')]}, {('Marie', 'daughter', 'Angelica'): [('Marie', 'son', 'Mario'), ('Mario', 'sister', 'Angelica')]}]
['sister', 'son', 'sister', 'aunt']