[Dale] called his brother [George] on Friday because it was his birthday. [Wayne] was angry with his brother [Dale] for forgetting to pick him up from school.
('Wayne', 'George')
[Wayne] was angry with his brother [Dale] for forgetting to pick him up from school. [Dale] called his brother [George] on Friday because it was his birthday.
[{('Wayne', 'brother', 'George'): [('Wayne', 'brother', 'Dale'), ('Dale', 'brother', 'George')]}]
['brother', 'brother']