[Anna] and her sister [Carrie] went over to [James]'s house for dinner. [Carrie] loves spending time with her grandfather, [James]. [Anna]'s brother, [Richard], was getting ready to start a new job. [Anna] was very happy for him.
('Richard', 'James')
[Anna]'s brother, [Richard], was getting ready to start a new job. [Anna] was very happy for him. [Anna] and her sister [Carrie] went over to [James]'s house for dinner. [Carrie] loves spending time with her grandfather, [James].
[{('Richard', 'grandfather', 'James'): [('Richard', 'sister', 'Carrie'), ('Carrie', 'grandfather', 'James')]}, {('Richard', 'sister', 'Carrie'): [('Richard', 'sister', 'Anna'), ('Anna', 'sister', 'Carrie')]}]
['sister', 'sister', 'grandfather']