[James] played video games with his brother [Jeffrey] and his sister [Rebecca]. [Jeffrey] wanted to get better so he can beat his brother [Roberto]. [Roberto]'s grandfather [Harold] takes him to football games every Sunday during the season.
('Rebecca', 'Harold')
[James] played video games with his brother [Jeffrey] and his sister [Rebecca]. [Jeffrey] wanted to get better so he can beat his brother [Roberto]. [Roberto]'s grandfather [Harold] takes him to football games every Sunday during the season.
[{('Rebecca', 'grandfather', 'Harold'): [('Rebecca', 'brother', 'Roberto'), ('Roberto', 'grandfather', 'Harold')]}, {('Rebecca', 'brother', 'Roberto'): [('Rebecca', 'brother', 'Jeffrey'), ('Jeffrey', 'brother', 'Roberto')]}, {('Rebecca', 'brother', 'Jeffrey'): [('Rebecca', 'brother', 'James'), ('James', 'brother', 'Jeffrey')]}]
['brother', 'brother', 'brother', 'grandfather']