[Rebecca] and her brother [James] were having a wonderful time at Disneyland. [Jeffrey] is in the same grade as his sister [Cheryl], but his sister [Rebecca] is 2 years ahead of him. [James] does n't like his grandfather [Harold]. The boy thinks he's old, and weird.
('Cheryl', 'Harold')
[Jeffrey] is in the same grade as his sister [Cheryl], but his sister [Rebecca] is 2 years ahead of him. [Rebecca] and her brother [James] were having a wonderful time at Disneyland. [James] does n't like his grandfather [Harold]. The boy thinks he's old, and weird.
[{('Cheryl', 'grandfather', 'Harold'): [('Cheryl', 'brother', 'Jeffrey'), ('Jeffrey', 'grandfather', 'Harold')]}, {('Jeffrey', 'grandfather', 'Harold'): [('Jeffrey', 'brother', 'James'), ('James', 'grandfather', 'Harold')]}, {('Jeffrey', 'brother', 'James'): [('Jeffrey', 'sister', 'Rebecca'), ('Rebecca', 'brother', 'James')]}]
['brother', 'sister', 'brother', 'grandfather']