Last weekend, [Kevin] went to the beach with his father, [Antonio]. They could n't go this weekend, because [Antonio] had to go to his daughter [Emma]'s piano recital instead. [Antonio] loved his two children, [Kevin] and [Laura].
('Laura', 'Emma')
[Antonio] loved his two children, [Kevin] and [Laura]. Last weekend, [Kevin] went to the beach with his father, [Antonio]. They could n't go this weekend, because [Antonio] had to go to his daughter [Emma]'s piano recital instead.
[{('Laura', 'sister', 'Emma'): [('Laura', 'brother', 'Kevin'), ('Kevin', 'sister', 'Emma')]}, {('Laura', 'brother', 'Kevin'): [('Laura', 'father', 'Antonio'), ('Antonio', 'son', 'Kevin')]}, {('Kevin', 'sister', 'Emma'): [('Kevin', 'father', 'Antonio'), ('Antonio', 'daughter', 'Emma')]}]
['father', 'son', 'father', 'daughter']