[Timothy] asked his brother [John] to help him fix his car and he said he would after he got off work. [Douglas] and his brother [John] are fighting again.
('Timothy', 'Douglas')
[Timothy] asked his brother [John] to help him fix his car and he said he would after he got off work. [Douglas] and his brother [John] are fighting again.
[{('Timothy', 'brother', 'Douglas'): [('Timothy', 'brother', 'John'), ('John', 'brother', 'Douglas')]}]
['brother', 'brother']