[James] was telling stories to his grandsons [Pete] and [Wayne]. [Pete]'s brother [Richard] was getting bored.
('James', 'Richard')
[James] was telling stories to his grandsons [Pete] and [Wayne]. [Pete]'s brother [Richard] was getting bored.
[{('James', 'grandson', 'Richard'): [('James', 'grandson', 'Pete'), ('Pete', 'brother', 'Richard')]}, {('Pete', 'brother', 'Richard'): [('Pete', 'brother', 'Wayne'), ('Wayne', 'brother', 'Richard')]}]
['grandson', 'brother', 'brother']