[Robert] asked his father [Harold] if he could borrow some money. [Tracy]'s niece [Karen] was a massive fan of Pokemon. [Beverly] took her father [Harold] to a baseball game, while [Beverly]'s daughter [Karen] was at home with a baby sitter.
('Robert', 'Tracy')
[Robert] asked his father [Harold] if he could borrow some money. [Beverly] took her father [Harold] to a baseball game, while [Beverly]'s daughter [Karen] was at home with a baby sitter. [Tracy]'s niece [Karen] was a massive fan of Pokemon.
[{('Robert', 'sister', 'Tracy'): [('Robert', 'sister', 'Beverly'), ('Beverly', 'sister', 'Tracy')]}, {('Beverly', 'sister', 'Tracy'): [('Beverly', 'daughter', 'Karen'), ('Karen', 'aunt', 'Tracy')]}, {('Robert', 'sister', 'Beverly'): [('Robert', 'father', 'Harold'), ('Harold', 'daughter', 'Beverly')]}]
['father', 'daughter', 'daughter', 'aunt']