[Cindy] talks to her son [Richard] every day. [Pete] bought a book for his father [Francisco]. [Pete] loves his mother very much. Her name is [Cindy].
('Francisco', 'Richard')
[Pete] bought a book for his father [Francisco]. [Pete] loves his mother very much. Her name is [Cindy]. [Cindy] talks to her son [Richard] every day.
[{('Francisco', 'son', 'Richard'): [('Francisco', 'son', 'Pete'), ('Pete', 'brother', 'Richard')]}, {('Pete', 'brother', 'Richard'): [('Pete', 'mother', 'Cindy'), ('Cindy', 'son', 'Richard')]}]
['son', 'mother', 'son']