[Charles] and his sister [Martha] walked to school together every day, since they only lived two blocks away from the school. [Lena] loved to care for her newborn child [Charles]. [Martha] is taking her grandfather [James] shopping.
('Lena', 'James')
[Lena] loved to care for her newborn child [Charles]. [Charles] and his sister [Martha] walked to school together every day, since they only lived two blocks away from the school. [Martha] is taking her grandfather [James] shopping.
[{('Lena', 'father', 'James'): [('Lena', 'daughter', 'Martha'), ('Martha', 'grandfather', 'James')]}, {('Lena', 'daughter', 'Martha'): [('Lena', 'son', 'Charles'), ('Charles', 'sister', 'Martha')]}]
['son', 'sister', 'grandfather']