[Travis] loves to play baseball with his dad, [Dale]. [Tony] and his brother [Travis] went to see a baseball game on Friday and had a great time.
('Dale', 'Tony')
[Travis] loves to play baseball with his dad, [Dale]. [Tony] and his brother [Travis] went to see a baseball game on Friday and had a great time.
[{('Dale', 'son', 'Tony'): [('Dale', 'son', 'Travis'), ('Travis', 'brother', 'Tony')]}]
['son', 'brother']