[William]'s father, [Jacob], bought him some ice cream. [Michael] and his brother [William] went to the football game together.
('Michael', 'Jacob')
[Michael] and his brother [William] went to the football game together. [William]'s father, [Jacob], bought him some ice cream.
[{('Michael', 'father', 'Jacob'): [('Michael', 'brother', 'William'), ('William', 'father', 'Jacob')]}]