[Jeffrey]'s sister [Cheryl] was teasing him. He asked his father [Pedro] to make her stop. Meanwhile, [Cheryl]'s sister [Rebecca] ignored the whole thing. [Rebecca] does n't like having to babysit her younger brother, [James].
('Pedro', 'James')
[Jeffrey]'s sister [Cheryl] was teasing him. He asked his father [Pedro] to make her stop. Meanwhile, [Cheryl]'s sister [Rebecca] ignored the whole thing. [Rebecca] does n't like having to babysit her younger brother, [James].
[{('Pedro', 'son', 'James'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'brother', 'James')]}, {('Pedro', 'daughter', 'Rebecca'): [('Pedro', 'son', 'Jeffrey'), ('Jeffrey', 'sister', 'Rebecca')]}, {('Jeffrey', 'sister', 'Rebecca'): [('Jeffrey', 'sister', 'Cheryl'), ('Cheryl', 'sister', 'Rebecca')]}]
['son', 'sister', 'sister', 'brother']