[Louis] decided to take his son, [Michael], on a ski vacation. [Robert] and his brother [Pedro] are constantly trying to one up each other. [Harold] spends every weekend teaching his grandson, [Michael] how to do different construction projects. [Harold] went on a roadtrip with his youngest child, [Robert].
('Louis', 'Pedro')
[Louis] decided to take his son, [Michael], on a ski vacation. [Harold] spends every weekend teaching his grandson, [Michael] how to do different construction projects. [Harold] went on a roadtrip with his youngest child, [Robert]. [Robert] and his brother [Pedro] are constantly trying to one up each other.
[{('Louis', 'brother', 'Pedro'): [('Louis', 'brother', 'Robert'), ('Robert', 'brother', 'Pedro')]}, {('Louis', 'brother', 'Robert'): [('Louis', 'father', 'Harold'), ('Harold', 'son', 'Robert')]}, {('Louis', 'father', 'Harold'): [('Louis', 'son', 'Michael'), ('Michael', 'grandfather', 'Harold')]}]
['son', 'grandfather', 'son', 'brother']