[Pedro] decided to give his son [James], for his birthday, the latest version of Apple watch. [Rebecca] called her brother, [Jeffrey], up to see how he was doing after surgery. [Cheryl] waved good bye to her dad [Pedro] for the day and went next door with her sister [Rebecca].
('James', 'Jeffrey')
[Pedro] decided to give his son [James], for his birthday, the latest version of Apple watch. [Cheryl] waved good bye to her dad [Pedro] for the day and went next door with her sister [Rebecca]. [Rebecca] called her brother, [Jeffrey], up to see how he was doing after surgery.
[{('James', 'brother', 'Jeffrey'): [('James', 'sister', 'Cheryl'), ('Cheryl', 'brother', 'Jeffrey')]}, {('James', 'sister', 'Cheryl'): [('James', 'father', 'Pedro'), ('Pedro', 'daughter', 'Cheryl')]}, {('Cheryl', 'brother', 'Jeffrey'): [('Cheryl', 'sister', 'Rebecca'), ('Rebecca', 'brother', 'Jeffrey')]}]
['father', 'daughter', 'sister', 'brother']