[Joshua] and his father [James] went jogging by the lake. [Joshua] was sad to learn that his sister [David] was not going to make it to dinner like they had planned. [Wesley] and her sister [David] decided to take a trip to Mexico together.
('James', 'Wesley')
[Joshua] and his father [James] went jogging by the lake. [Joshua] was sad to learn that his sister [David] was not going to make it to dinner like they had planned. [Wesley] and her sister [David] decided to take a trip to Mexico together.
[{('James', 'son', 'Wesley'): [('James', 'daughter', 'David'), ('David', 'brother', 'Wesley')]}, {('James', 'daughter', 'David'): [('James', 'son', 'Joshua'), ('Joshua', 'sister', 'David')]}]
['son', 'sister', 'brother']