[Richard] asked his mother, [Cindy], to bake him a cake. She told him to wait for his birthday. [Cindy] went out for pizza with her father [James]. [James] took his daughter [David] to the zoo for her birthday. Then they went to go get some ice cream.
('Richard', 'David')
[Richard] asked his mother, [Cindy], to bake him a cake. She told him to wait for his birthday. [Cindy] went out for pizza with her father [James]. [James] took his daughter [David] to the zoo for her birthday. Then they went to go get some ice cream.
[{('Richard', 'aunt', 'David'): [('Richard', 'mother', 'Cindy'), ('Cindy', 'sister', 'David')]}, {('Cindy', 'sister', 'David'): [('Cindy', 'father', 'James'), ('James', 'daughter', 'David')]}]
['mother', 'father', 'daughter']