[James] is so proud of his son. [Francisco] is the son's name. [David] went shopping with her son [Johnson] and her brother [Francisco].
('James', 'Johnson')
[James] is so proud of his son. [Francisco] is the son's name. [David] went shopping with her son [Johnson] and her brother [Francisco].
[{('James', 'grandson', 'Johnson'): [('James', 'daughter', 'David'), ('David', 'son', 'Johnson')]}, {('James', 'daughter', 'David'): [('James', 'son', 'Francisco'), ('Francisco', 'sister', 'David')]}]
['son', 'sister', 'son']