[Cindy] took her son [Wayne] to school and his grandfather [James] picked him up at then end of the school day. [Cindy] took her daughter [Carrie] to school during the cold winter morning.
('Carrie', 'James')
[Cindy] took her daughter [Carrie] to school during the cold winter morning. [Cindy] took her son [Wayne] to school and his grandfather [James] picked him up at then end of the school day.
[{('Carrie', 'grandfather', 'James'): [('Carrie', 'brother', 'Wayne'), ('Wayne', 'grandfather', 'James')]}, {('Carrie', 'brother', 'Wayne'): [('Carrie', 'mother', 'Cindy'), ('Cindy', 'son', 'Wayne')]}]
['mother', 'son', 'grandfather']