[Beverly] is a woman with a sister named [Dorothy]. [Pedro] took his wife [Dorothy] out on a date last weekend. [Harold] is the proud grandfather of the cute [Michael]. [Beverly] loves to make cookies for her son. His name is [Michael].
('Pedro', 'Harold')
[Pedro] took his wife [Dorothy] out on a date last weekend. [Beverly] is a woman with a sister named [Dorothy]. [Beverly] loves to make cookies for her son. His name is [Michael]. [Harold] is the proud grandfather of the cute [Michael].
[{('Pedro', 'father-in-law', 'Harold'): [('Pedro', 'wife', 'Dorothy'), ('Dorothy', 'father', 'Harold')]}, {('Dorothy', 'father', 'Harold'): [('Dorothy', 'sister', 'Beverly'), ('Beverly', 'father', 'Harold')]}, {('Beverly', 'father', 'Harold'): [('Beverly', 'son', 'Michael'), ('Michael', 'grandfather', 'Harold')]}]
['wife', 'sister', 'son', 'grandfather']