[Dorothy] was talking about food with her sister [Beverly]. [Dorothy] took her daughter [Cheryl] to school during the cold winter morning. [Cheryl] was ill, that's why she could n't go to school. She was with her mother [Pedro] all day. [Tracy] was playing in the sandbox with her brother [Pedro].
('Tracy', 'Beverly')
[Tracy] was playing in the sandbox with her brother [Pedro]. [Cheryl] was ill, that's why she could n't go to school. She was with her mother [Pedro] all day. [Dorothy] took her daughter [Cheryl] to school during the cold winter morning. [Dorothy] was talking about food with her sister [Beverly].
[{('Tracy', 'sister', 'Beverly'): [('Tracy', 'brother', 'Pedro'), ('Pedro', 'sister', 'Beverly')]}, {('Pedro', 'sister', 'Beverly'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'aunt', 'Beverly')]}, {('Cheryl', 'aunt', 'Beverly'): [('Cheryl', 'mother', 'Dorothy'), ('Dorothy', 'sister', 'Beverly')]}]
['brother', 'daughter', 'mother', 'sister']