[Pedro] was enjoying dinner with his wife [Dorothy]. [Pedro]'s daughter [Annie] was n't hungry at the time. [Annie] asked [Harold], her grandfather, for some candy. [Robert] and his father [Harold] went to the golf course in town on Saturday and had a great time.
('Dorothy', 'Robert')
[Pedro] was enjoying dinner with his wife [Dorothy]. [Pedro]'s daughter [Annie] was n't hungry at the time. [Annie] asked [Harold], her grandfather, for some candy. [Robert] and his father [Harold] went to the golf course in town on Saturday and had a great time.
[{('Dorothy', 'brother', 'Robert'): [('Dorothy', 'father', 'Harold'), ('Harold', 'son', 'Robert')]}, {('Dorothy', 'father', 'Harold'): [('Dorothy', 'daughter', 'Annie'), ('Annie', 'grandfather', 'Harold')]}, {('Dorothy', 'daughter', 'Annie'): [('Dorothy', 'husband', 'Pedro'), ('Pedro', 'daughter', 'Annie')]}]
['husband', 'daughter', 'grandfather', 'son']