[Natasha] was playing in the sandbox with her brother [Richard]. [Francisco], [Cindy]'s husband, asked her where his daughter [Natasha] was. [Cindy] said she did n't know.
('Cindy', 'Richard')
[Francisco], [Cindy]'s husband, asked her where his daughter [Natasha] was. [Cindy] said she did n't know. [Natasha] was playing in the sandbox with her brother [Richard].
[{('Cindy', 'son', 'Richard'): [('Cindy', 'husband', 'Francisco'), ('Francisco', 'son', 'Richard')]}, {('Francisco', 'son', 'Richard'): [('Francisco', 'daughter', 'Natasha'), ('Natasha', 'brother', 'Richard')]}]
['husband', 'daughter', 'brother']