[Douglas] is excited to cheer on his brother [Jerry] in the homecoming game tonight. [George] and his son [Douglas] went to the skating rink.
('Jerry', 'George')
[Douglas] is excited to cheer on his brother [Jerry] in the homecoming game tonight. [George] and his son [Douglas] went to the skating rink.
[{('Jerry', 'father', 'George'): [('Jerry', 'brother', 'Douglas'), ('Douglas', 'father', 'George')]}]
['brother', 'father']