[Carrie] was celebrating her birthday with her mother [Cindy]. [Francisco] took his son [Richard] to baseball practice. [Francisco]'s daughter [Carrie] was busy at soccer practice.
('Richard', 'Cindy')
[Francisco] took his son [Richard] to baseball practice. [Francisco]'s daughter [Carrie] was busy at soccer practice. [Carrie] was celebrating her birthday with her mother [Cindy].
[{('Richard', 'mother', 'Cindy'): [('Richard', 'sister', 'Carrie'), ('Carrie', 'mother', 'Cindy')]}, {('Richard', 'sister', 'Carrie'): [('Richard', 'father', 'Francisco'), ('Francisco', 'daughter', 'Carrie')]}]
['father', 'daughter', 'mother']