[Wayne] gets to stay with his grandfather, [Harold] every weekend. [Samuel] went to the park with his sister, [Jennifer], and his father, [Louis]. The three of them had a wonderful time there. [Louis] decided to take his son, [Wayne], on a ski vacation.
('Jennifer', 'Harold')
[Samuel] went to the park with his sister, [Jennifer], and his father, [Louis]. The three of them had a wonderful time there. [Louis] decided to take his son, [Wayne], on a ski vacation. [Wayne] gets to stay with his grandfather, [Harold] every weekend.
[{('Jennifer', 'grandfather', 'Harold'): [('Jennifer', 'brother', 'Samuel'), ('Samuel', 'grandfather', 'Harold')]}, {('Samuel', 'grandfather', 'Harold'): [('Samuel', 'father', 'Louis'), ('Louis', 'father', 'Harold')]}, {('Louis', 'father', 'Harold'): [('Louis', 'son', 'Wayne'), ('Wayne', 'grandfather', 'Harold')]}]
['brother', 'father', 'son', 'grandfather']