[Heather] loves painting with her father. His name is [Pedro]. [Harold] who is [Pedro]'s father grounded [Pedro] after finding out what [Pedro] had done at school. [Antonio], [Heather]'s uncle, recently got into fishing. [Antonio]'s son [Kevin] entered rehab for the ninth time at the age of thirty.
('Harold', 'Kevin')
[Harold] who is [Pedro]'s father grounded [Pedro] after finding out what [Pedro] had done at school. [Heather] loves painting with her father. His name is [Pedro]. [Antonio], [Heather]'s uncle, recently got into fishing. [Antonio]'s son [Kevin] entered rehab for the ninth time at the age of thirty.
[{('Harold', 'grandson', 'Kevin'): [('Harold', 'son', 'Antonio'), ('Antonio', 'son', 'Kevin')]}, {('Harold', 'son', 'Antonio'): [('Harold', 'son', 'Pedro'), ('Pedro', 'brother', 'Antonio')]}, {('Pedro', 'brother', 'Antonio'): [('Pedro', 'daughter', 'Heather'), ('Heather', 'uncle', 'Antonio')]}]
['son', 'daughter', 'uncle', 'son']