[Louis]'s son [Michael] is in the hospital. [Michael]'s brother [Wayne] accidentally hit him with a hammer. [Wayne] is really looking forward to a visit from his uncle [Pedro]. [Marie] does n't like having to babysit her younger brother, [Louis].
('Marie', 'Pedro')
[Marie] does n't like having to babysit her younger brother, [Louis]. [Louis]'s son [Michael] is in the hospital. [Michael]'s brother [Wayne] accidentally hit him with a hammer. [Wayne] is really looking forward to a visit from his uncle [Pedro].
[{('Marie', 'brother', 'Pedro'): [('Marie', 'brother', 'Louis'), ('Louis', 'brother', 'Pedro')]}, {('Louis', 'brother', 'Pedro'): [('Louis', 'son', 'Wayne'), ('Wayne', 'uncle', 'Pedro')]}, {('Louis', 'son', 'Wayne'): [('Louis', 'son', 'Michael'), ('Michael', 'brother', 'Wayne')]}]
['brother', 'son', 'brother', 'uncle']