[Cindy] was mad at her brother [Joshua], because [Joshua] had called her fat. [Cindy] was sewing a sweater for her sister [Lena]. [Lena] called [David], her sister, to see if she wanted to go out to eat.
('David', 'Joshua')
[Lena] called [David], her sister, to see if she wanted to go out to eat. [Cindy] was sewing a sweater for her sister [Lena]. [Cindy] was mad at her brother [Joshua], because [Joshua] had called her fat.
[{('David', 'brother', 'Joshua'): [('David', 'sister', 'Lena'), ('Lena', 'brother', 'Joshua')]}, {('Lena', 'brother', 'Joshua'): [('Lena', 'sister', 'Cindy'), ('Cindy', 'brother', 'Joshua')]}]
['sister', 'sister', 'brother']