[Louis] and his brother [Pedro] went out for lunch. [Louis] had a burger, and [Pedro] had a chicken sandwich. [Lizzie]'s mom, [Marie], was in the hospital, very ill. [Lizzie] was busy and could n't visit, but [Marie]'s brother [Louis] was able to go see her instead. [Robert] took his daughter [Lizzie] to the zoo for her birthday. Then they went to go get some ice cream.
('Robert', 'Pedro')
[Robert] took his daughter [Lizzie] to the zoo for her birthday. Then they went to go get some ice cream. [Lizzie]'s mom, [Marie], was in the hospital, very ill. [Lizzie] was busy and could n't visit, but [Marie]'s brother [Louis] was able to go see her instead. [Louis] and his brother [Pedro] went out for lunch. [Louis] had a burger, and [Pedro] had a chicken sandwich.
[{('Robert', 'brother', 'Pedro'): [('Robert', 'daughter', 'Lizzie'), ('Lizzie', 'uncle', 'Pedro')]}, {('Lizzie', 'uncle', 'Pedro'): [('Lizzie', 'mother', 'Marie'), ('Marie', 'brother', 'Pedro')]}, {('Marie', 'brother', 'Pedro'): [('Marie', 'brother', 'Louis'), ('Louis', 'brother', 'Pedro')]}]
['daughter', 'mother', 'brother', 'brother']