[Wayne] and his brother [George] just talked on the phone for the first time in years. [Nicholas] called his brother [Wayne] on Friday because it was his birthday.
('Nicholas', 'George')
[Nicholas] called his brother [Wayne] on Friday because it was his birthday. [Wayne] and his brother [George] just talked on the phone for the first time in years.
[{('Nicholas', 'brother', 'George'): [('Nicholas', 'brother', 'Wayne'), ('Wayne', 'brother', 'George')]}]
['brother', 'brother']