[Pete]'s grandfather [James] helped his mother, [Cindy], repaint her house today. [James] is an engineer who loves to take his son [Hugh] to the science museum to help him learn about the world
('Cindy', 'Hugh')
[Pete]'s grandfather [James] helped his mother, [Cindy], repaint her house today. [James] is an engineer who loves to take his son [Hugh] to the science museum to help him learn about the world
[{('Cindy', 'brother', 'Hugh'): [('Cindy', 'father', 'James'), ('James', 'son', 'Hugh')]}, {('Cindy', 'father', 'James'): [('Cindy', 'son', 'Pete'), ('Pete', 'grandfather', 'James')]}]
['son', 'grandfather', 'son']