[George] likes to watch boxing with his brother. His name is [Dale]. [Douglas] and his father [George] went to the golf course in town on Saturday and had a great time.
('Dale', 'Douglas')
[George] likes to watch boxing with his brother. His name is [Dale]. [Douglas] and his father [George] went to the golf course in town on Saturday and had a great time.
[{('Dale', 'nephew', 'Douglas'): [('Dale', 'brother', 'George'), ('George', 'son', 'Douglas')]}]
['brother', 'son']