[James] and his wife [Frances] were celebrating their 25th anniversary. [Frances]'s daughter, [Lena], had prepared them a special meal for the occasion. [Lena] took her son [Charles] to the mall to shop for school clothes.
('James', 'Charles')
[James] and his wife [Frances] were celebrating their 25th anniversary. [Frances]'s daughter, [Lena], had prepared them a special meal for the occasion. [Lena] took her son [Charles] to the mall to shop for school clothes.
[{('James', 'grandson', 'Charles'): [('James', 'wife', 'Frances'), ('Frances', 'grandson', 'Charles')]}, {('Frances', 'grandson', 'Charles'): [('Frances', 'daughter', 'Lena'), ('Lena', 'son', 'Charles')]}]
['wife', 'daughter', 'son']