[Marie]'s niece [Rebecca] was a massive fan of Pokemon. [Harold] invited his son [Antonio] over for dinner. [Antonio] wanted to his invite his brother [Pedro] and [Pedro]'s daughter [Rebecca] over as well.
('Harold', 'Marie')
[Harold] invited his son [Antonio] over for dinner. [Antonio] wanted to his invite his brother [Pedro] and [Pedro]'s daughter [Rebecca] over as well. [Marie]'s niece [Rebecca] was a massive fan of Pokemon.
[{('Harold', 'daughter', 'Marie'): [('Harold', 'son', 'Antonio'), ('Antonio', 'sister', 'Marie')]}, {('Antonio', 'sister', 'Marie'): [('Antonio', 'brother', 'Pedro'), ('Pedro', 'sister', 'Marie')]}, {('Pedro', 'sister', 'Marie'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'aunt', 'Marie')]}]
['son', 'brother', 'daughter', 'aunt']