[Robert] was trying to call his wife [Marie], but she did n't pick up. It turns out she was busy having lunch with her son [Ronald]. [Pedro] has a daughter named [Annie] who visits him every Sunday for dinner. [Robert] went his brother to pick up his brother's daughter [Annie] from a birthday party.
('Pedro', 'Ronald')
[Pedro] has a daughter named [Annie] who visits him every Sunday for dinner. [Robert] went his brother to pick up his brother's daughter [Annie] from a birthday party. [Robert] was trying to call his wife [Marie], but she did n't pick up. It turns out she was busy having lunch with her son [Ronald].
[{('Pedro', 'nephew', 'Ronald'): [('Pedro', 'brother', 'Robert'), ('Robert', 'son', 'Ronald')]}, {('Robert', 'son', 'Ronald'): [('Robert', 'wife', 'Marie'), ('Marie', 'son', 'Ronald')]}, {('Pedro', 'brother', 'Robert'): [('Pedro', 'daughter', 'Annie'), ('Annie', 'uncle', 'Robert')]}]
['daughter', 'uncle', 'wife', 'son']