[Richard]'s mother, [Cindy], just got her citizenship. [Richard] and his father [Francisco] went jogging by the lake. [Cindy] was talking about food with her sister [David].
('Francisco', 'David')
[Richard] and his father [Francisco] went jogging by the lake. [Richard]'s mother, [Cindy], just got her citizenship. [Cindy] was talking about food with her sister [David].
[{('Francisco', 'sister', 'David'): [('Francisco', 'son', 'Richard'), ('Richard', 'aunt', 'David')]}, {('Richard', 'aunt', 'David'): [('Richard', 'mother', 'Cindy'), ('Cindy', 'sister', 'David')]}]
['son', 'mother', 'sister']