[Louis] went with his nephew [Jerome] to the gas station, they both had to use the men's restroom. [Harold] met his son [Pedro] for dinner. Unfortunately [Harold]'s son [Robert] could not attend. [Pedro] was happy that his son [Jerome] was doing well in college.
('Robert', 'Louis')
[Harold] met his son [Pedro] for dinner. Unfortunately [Harold]'s son [Robert] could not attend. [Pedro] was happy that his son [Jerome] was doing well in college. [Louis] went with his nephew [Jerome] to the gas station, they both had to use the men's restroom.
[{('Robert', 'brother', 'Louis'): [('Robert', 'brother', 'Pedro'), ('Pedro', 'brother', 'Louis')]}, {('Robert', 'brother', 'Pedro'): [('Robert', 'father', 'Harold'), ('Harold', 'son', 'Pedro')]}, {('Pedro', 'brother', 'Louis'): [('Pedro', 'son', 'Jerome'), ('Jerome', 'uncle', 'Louis')]}]
['father', 'son', 'son', 'uncle']