[Rebecca] was sewing a sweater for her sister [Cheryl]. [Dorothy] asked her husband [Pedro] for some cash to go school shopping with her daughter [Cheryl]. [Rebecca] and her brother [Jeffrey] were having a wonderful time at Disneyland.
('Pedro', 'Jeffrey')
[Dorothy] asked her husband [Pedro] for some cash to go school shopping with her daughter [Cheryl]. [Rebecca] was sewing a sweater for her sister [Cheryl]. [Rebecca] and her brother [Jeffrey] were having a wonderful time at Disneyland.
[{('Pedro', 'son', 'Jeffrey'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'brother', 'Jeffrey')]}, {('Pedro', 'daughter', 'Cheryl'): [('Pedro', 'wife', 'Dorothy'), ('Dorothy', 'daughter', 'Cheryl')]}, {('Cheryl', 'brother', 'Jeffrey'): [('Cheryl', 'sister', 'Rebecca'), ('Rebecca', 'brother', 'Jeffrey')]}]
['wife', 'daughter', 'sister', 'brother']