[James] was delayed picking up his sister, [Rebecca], from class. Thankfully, [Dorothy]'s mom, [Rebecca], was already there. [James] went to the grocery store for his brother [Jeffrey], because he broke his leg. [Jeffrey] is one of [Cheryl]'s brothers. They have lots of fun together.
('Cheryl', 'Dorothy')
[Jeffrey] is one of [Cheryl]'s brothers. They have lots of fun together. [James] went to the grocery store for his brother [Jeffrey], because he broke his leg. [James] was delayed picking up his sister, [Rebecca], from class. Thankfully, [Dorothy]'s mom, [Rebecca], was already there.
[{('Cheryl', 'mother', 'Dorothy'): [('Cheryl', 'brother', 'James'), ('James', 'mother', 'Dorothy')]}, {('Cheryl', 'brother', 'James'): [('Cheryl', 'brother', 'Jeffrey'), ('Jeffrey', 'brother', 'James')]}, {('James', 'mother', 'Dorothy'): [('James', 'sister', 'Rebecca'), ('Rebecca', 'mother', 'Dorothy')]}]
['brother', 'brother', 'sister', 'mother']