[Antonio] was looking for his son [Kevin]. He asked his daughter [Erika] if she had seen him, and she told her father that [Antonio] had gone away for the weekend and would n't be back until Monday. [Kevin]'s father, [Antonio], needed help with the dishes. [Antonio]'s daughter, [Laura], volunteered to assist.
('Erika', 'Laura')
[Antonio] was looking for his son [Kevin]. He asked his daughter [Erika] if she had seen him, and she told her father that [Antonio] had gone away for the weekend and would n't be back until Monday. [Kevin]'s father, [Antonio], needed help with the dishes. [Antonio]'s daughter, [Laura], volunteered to assist.
[{('Erika', 'sister', 'Laura'): [('Erika', 'brother', 'Kevin'), ('Kevin', 'sister', 'Laura')]}, {('Erika', 'brother', 'Kevin'): [('Erika', 'father', 'Antonio'), ('Antonio', 'son', 'Kevin')]}, {('Kevin', 'sister', 'Laura'): [('Kevin', 'father', 'Antonio'), ('Antonio', 'daughter', 'Laura')]}]
['father', 'son', 'father', 'daughter']