[Cheryl] went to visit her aunt, [Beverly], who's birthday was yesterday. [Harold] asked his son, [Pedro], and his daughter, [Marie], to help him fix the family boat. [Pedro] is a man with a daughter named [Cheryl].
('Marie', 'Beverly')
[Harold] asked his son, [Pedro], and his daughter, [Marie], to help him fix the family boat. [Pedro] is a man with a daughter named [Cheryl]. [Cheryl] went to visit her aunt, [Beverly], who's birthday was yesterday.
[{('Marie', 'sister', 'Beverly'): [('Marie', 'father', 'Harold'), ('Harold', 'daughter', 'Beverly')]}, {('Harold', 'daughter', 'Beverly'): [('Harold', 'son', 'Pedro'), ('Pedro', 'sister', 'Beverly')]}, {('Pedro', 'sister', 'Beverly'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'aunt', 'Beverly')]}]
['father', 'son', 'daughter', 'aunt']