[Nicolas] and his brother [James] are fighting again. [Nicolas]'s grandmother, [Ashley], was sick. [Nicolas] stayed by her side until she got better.
('James', 'Ashley')
[Nicolas] and his brother [James] are fighting again. [Nicolas]'s grandmother, [Ashley], was sick. [Nicolas] stayed by her side until she got better.
[{('James', 'grandmother', 'Ashley'): [('James', 'brother', 'Nicolas'), ('Nicolas', 'grandmother', 'Ashley')]}]
['brother', 'grandmother']