[Leonard] was so excited to introduce his new girlfriend to his mother, [Cindy]. [Richard] and his brother [Wayne] went fishing but [Richard] did n't invite his other brother [Leonard].
('Cindy', 'Wayne')
[Leonard] was so excited to introduce his new girlfriend to his mother, [Cindy]. [Richard] and his brother [Wayne] went fishing but [Richard] did n't invite his other brother [Leonard].
[{('Cindy', 'son', 'Wayne'): [('Cindy', 'son', 'Leonard'), ('Leonard', 'brother', 'Wayne')]}, {('Leonard', 'brother', 'Wayne'): [('Leonard', 'brother', 'Richard'), ('Richard', 'brother', 'Wayne')]}]
['son', 'brother', 'brother']