[Annie] took her grandfather [Harold] some dinner yesterday and her sister [Rebecca] went with her. [Pedro]'s daughter, [Annie], wanted to get a nice gift for her sister, [Rebecca].
('Pedro', 'Harold')
[Pedro]'s daughter, [Annie], wanted to get a nice gift for her sister, [Rebecca]. [Annie] took her grandfather [Harold] some dinner yesterday and her sister [Rebecca] went with her.
[{('Pedro', 'father', 'Harold'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'grandfather', 'Harold')]}, {('Pedro', 'daughter', 'Rebecca'): [('Pedro', 'daughter', 'Annie'), ('Annie', 'sister', 'Rebecca')]}, {('Rebecca', 'grandfather', 'Harold'): [('Rebecca', 'sister', 'Annie'), ('Annie', 'grandfather', 'Harold')]}]
['daughter', 'sister', 'sister', 'grandfather']