[Andrea] picked up her brother [Don] from the airport. Then they went to her sister [Juanita]'s house for lunch. [Felicia] took her younger sister [Juanita] to the carnival last weekend.
('Don', 'Felicia')
[Andrea] picked up her brother [Don] from the airport. Then they went to her sister [Juanita]'s house for lunch. [Felicia] took her younger sister [Juanita] to the carnival last weekend.
[{('Don', 'sister', 'Felicia'): [('Don', 'sister', 'Andrea'), ('Andrea', 'sister', 'Felicia')]}, {('Andrea', 'sister', 'Felicia'): [('Andrea', 'sister', 'Juanita'), ('Juanita', 'sister', 'Felicia')]}]
['sister', 'sister', 'sister']