[Sandy] took her sister [Amalia] out for dinner to celebrate her birthday. [Lionel] and his sister [Claudia] got their mother [Claudia] a new computer for her birthday. She really liked it. [Amalia] and her sister [Claudia] have never been close. Still, they love each other because they are family.
('Lionel', 'Sandy')
[Lionel] and his sister [Claudia] got their mother [Claudia] a new computer for her birthday. She really liked it. [Amalia] and her sister [Claudia] have never been close. Still, they love each other because they are family. [Sandy] took her sister [Amalia] out for dinner to celebrate her birthday.
[{('Lionel', 'sister', 'Sandy'): [('Lionel', 'sister', 'Amalia'), ('Amalia', 'sister', 'Sandy')]}, {('Lionel', 'sister', 'Amalia'): [('Lionel', 'sister', 'Claudia'), ('Claudia', 'sister', 'Amalia')]}]