[Cindy] does n't like her brother [Joshua]. [Leonard]'s brother [Pete] and mother [Cindy] met him early in the morning before his college graduation.
('Pete', 'Joshua')
[Leonard]'s brother [Pete] and mother [Cindy] met him early in the morning before his college graduation. [Cindy] does n't like her brother [Joshua].
[{('Pete', 'uncle', 'Joshua'): [('Pete', 'mother', 'Cindy'), ('Cindy', 'brother', 'Joshua')]}, {('Pete', 'mother', 'Cindy'): [('Pete', 'brother', 'Leonard'), ('Leonard', 'mother', 'Cindy')]}]
['brother', 'mother', 'brother']