[Cindy] talks to her son [Pete] every day. [Francisco] and [Cindy] are married. [Anna] asked her father [Francisco] to take her to school. [Francisco] said he'd take her in a few minutes.
('Anna', 'Pete')
[Anna] asked her father [Francisco] to take her to school. [Francisco] said he'd take her in a few minutes. [Francisco] and [Cindy] are married. [Cindy] talks to her son [Pete] every day.
[{('Anna', 'brother', 'Pete'): [('Anna', 'father', 'Francisco'), ('Francisco', 'son', 'Pete')]}, {('Francisco', 'son', 'Pete'): [('Francisco', 'wife', 'Cindy'), ('Cindy', 'son', 'Pete')]}]
['father', 'wife', 'son']