[Marie] loves her brother [Pedro]. [Robert] went to visit his brother [Pedro] yesterday and his daughter [Lizzie] wanted to come along. He told her no because she needed to get her homework done. [Lizzie] asked [Harold], her grandfather, for some candy.
('Marie', 'Harold')
[Marie] loves her brother [Pedro]. [Robert] went to visit his brother [Pedro] yesterday and his daughter [Lizzie] wanted to come along. He told her no because she needed to get her homework done. [Lizzie] asked [Harold], her grandfather, for some candy.
[{('Marie', 'father', 'Harold'): [('Marie', 'brother', 'Pedro'), ('Pedro', 'father', 'Harold')]}, {('Pedro', 'father', 'Harold'): [('Pedro', 'brother', 'Robert'), ('Robert', 'father', 'Harold')]}, {('Robert', 'father', 'Harold'): [('Robert', 'daughter', 'Lizzie'), ('Lizzie', 'grandfather', 'Harold')]}]
['brother', 'brother', 'daughter', 'grandfather']