[Hugh] and his brother [Francisco] went to the boxing match. [Lynn] was upset her brother [Hugh] did n't invite her. [Wayne] bought a book for his father [Francisco].
('Lynn', 'Wayne')
[Hugh] and his brother [Francisco] went to the boxing match. [Lynn] was upset her brother [Hugh] did n't invite her. [Wayne] bought a book for his father [Francisco].
[{('Lynn', 'nephew', 'Wayne'): [('Lynn', 'brother', 'Francisco'), ('Francisco', 'son', 'Wayne')]}, {('Lynn', 'brother', 'Francisco'): [('Lynn', 'brother', 'Hugh'), ('Hugh', 'brother', 'Francisco')]}]
['brother', 'brother', 'son']