[Bettie] wanted to visit her grandfather [Harold], but she had to help her sister [Laura] with chores. [Laura] is planning a surprise party for her daughter [Tracy]. [Laura]'s brother [Louis] is going to help with the setup.
('Louis', 'Harold')
[Laura] is planning a surprise party for her daughter [Tracy]. [Laura]'s brother [Louis] is going to help with the setup. [Bettie] wanted to visit her grandfather [Harold], but she had to help her sister [Laura] with chores.
[{('Louis', 'father', 'Harold'): [('Louis', 'sister', 'Tracy'), ('Tracy', 'father', 'Harold')]}, {('Tracy', 'father', 'Harold'): [('Tracy', 'daughter', 'Laura'), ('Laura', 'grandfather', 'Harold')]}, {('Laura', 'grandfather', 'Harold'): [('Laura', 'sister', 'Bettie'), ('Bettie', 'grandfather', 'Harold')]}]
['sister', 'daughter', 'sister', 'grandfather']