[Herman] is [John]'s Brother. [John] is a man with a son named [Brent].
('Brent', 'Herman')
[John] is a man with a son named [Brent]. [Herman] is [John]'s Brother.
[{('Brent', 'uncle', 'Herman'): [('Brent', 'father', 'John'), ('John', 'brother', 'Herman')]}]