[Pedro] has a daughter named [Heather] who visits him every Sunday for dinner. [Robert] is washing clothes with his daughter [Elsie]. [Elsie]'s sister [Michelle] is folding clothes. [Pedro] is a great uncle of [Michelle].
('Robert', 'Heather')
[Robert] is washing clothes with his daughter [Elsie]. [Elsie]'s sister [Michelle] is folding clothes. [Pedro] is a great uncle of [Michelle]. [Pedro] has a daughter named [Heather] who visits him every Sunday for dinner.
[{('Robert', 'niece', 'Heather'): [('Robert', 'brother', 'Pedro'), ('Pedro', 'daughter', 'Heather')]}, {('Robert', 'brother', 'Pedro'): [('Robert', 'daughter', 'Michelle'), ('Michelle', 'uncle', 'Pedro')]}, {('Robert', 'daughter', 'Michelle'): [('Robert', 'daughter', 'Elsie'), ('Elsie', 'sister', 'Michelle')]}]
['daughter', 'sister', 'uncle', 'daughter']