[Wayne] and his brother [Richard] played at jacks. [Wayne]'s brother, [Leonard], recently got elected as a senator. [Pete] and his brother [Leonard] went to the football game together.
('Pete', 'Richard')
[Pete] and his brother [Leonard] went to the football game together. [Wayne]'s brother, [Leonard], recently got elected as a senator. [Wayne] and his brother [Richard] played at jacks.
[{('Pete', 'brother', 'Richard'): [('Pete', 'brother', 'Leonard'), ('Leonard', 'brother', 'Richard')]}, {('Leonard', 'brother', 'Richard'): [('Leonard', 'brother', 'Wayne'), ('Wayne', 'brother', 'Richard')]}]
['brother', 'brother', 'brother']