[Pedro] braided his sister [Beverly]'s hair. [Marie] and her sister [Beverly] were at the library studying. [Michelle], [Marie]'s daughter, started laughing, and [Michelle] told her to be quiet. [Harold] wanted to see his granddaughter [Michelle] one last time before she went away to college.
('Pedro', 'Harold')
[Pedro] braided his sister [Beverly]'s hair. [Marie] and her sister [Beverly] were at the library studying. [Michelle], [Marie]'s daughter, started laughing, and [Michelle] told her to be quiet. [Harold] wanted to see his granddaughter [Michelle] one last time before she went away to college.
[{('Pedro', 'father', 'Harold'): [('Pedro', 'sister', 'Marie'), ('Marie', 'father', 'Harold')]}, {('Pedro', 'sister', 'Marie'): [('Pedro', 'sister', 'Beverly'), ('Beverly', 'sister', 'Marie')]}, {('Marie', 'father', 'Harold'): [('Marie', 'daughter', 'Michelle'), ('Michelle', 'grandfather', 'Harold')]}]
['sister', 'sister', 'daughter', 'grandfather']