[Pedro] likes playing catch with his sister's son. His name is [Ronald]. [Ronald] asked his father, [Robert] to help him build a birdhouse. [Robert] and his brother [Louis] went to the movies. [Robert] wanted to see an action movie, but [Louis] convinced him to go to a horror film instead. [Louis] wanted his son, [Samuel], to go fishing with him.
('Samuel', 'Pedro')
[Louis] wanted his son, [Samuel], to go fishing with him. [Robert] and his brother [Louis] went to the movies. [Robert] wanted to see an action movie, but [Louis] convinced him to go to a horror film instead. [Ronald] asked his father, [Robert] to help him build a birdhouse. [Pedro] likes playing catch with his sister's son. His name is [Ronald].
[{('Samuel', 'uncle', 'Pedro'): [('Samuel', 'father', 'Louis'), ('Louis', 'brother', 'Pedro')]}, {('Louis', 'brother', 'Pedro'): [('Louis', 'brother', 'Robert'), ('Robert', 'brother', 'Pedro')]}, {('Robert', 'brother', 'Pedro'): [('Robert', 'son', 'Ronald'), ('Ronald', 'uncle', 'Pedro')]}]
['father', 'brother', 'son', 'uncle']