[Heather] loves to visit her Uncle [Antonio] on his farm. [Pedro] and [Louis] were twin brothers. [Louis] never married, but [Pedro] did and had a daughter, [Heather] [Louis] is a man with a son named [Harold].
('Harold', 'Antonio')
[Louis] is a man with a son named [Harold]. [Pedro] and [Louis] were twin brothers. [Louis] never married, but [Pedro] did and had a daughter, [Heather] [Heather] loves to visit her Uncle [Antonio] on his farm.
[{('Harold', 'son', 'Antonio'): [('Harold', 'son', 'Louis'), ('Louis', 'brother', 'Antonio')]}, {('Louis', 'brother', 'Antonio'): [('Louis', 'brother', 'Pedro'), ('Pedro', 'brother', 'Antonio')]}, {('Pedro', 'brother', 'Antonio'): [('Pedro', 'daughter', 'Heather'), ('Heather', 'uncle', 'Antonio')]}]
['son', 'brother', 'daughter', 'uncle']