[Lynn] does n't like having to babysit her younger brother, [Hugh]. [Hugh] made a sandwich for his son [Johnson]. [Johnson]'s brother [Michael] ate an apple instead.
('Lynn', 'Michael')
[Lynn] does n't like having to babysit her younger brother, [Hugh]. [Hugh] made a sandwich for his son [Johnson]. [Johnson]'s brother [Michael] ate an apple instead.
[{('Lynn', 'nephew', 'Michael'): [('Lynn', 'brother', 'Hugh'), ('Hugh', 'son', 'Michael')]}, {('Hugh', 'son', 'Michael'): [('Hugh', 'son', 'Johnson'), ('Johnson', 'brother', 'Michael')]}]
['brother', 'son', 'brother']