[Lena] was talking about food with her sister [Lynn]. [Chris] was enjoying the delicious meal prepared by his mother [Lena]. [Charles] took his brother [Chris] out to get drinks after a long work week.
('Charles', 'Lynn')
[Charles] took his brother [Chris] out to get drinks after a long work week. [Chris] was enjoying the delicious meal prepared by his mother [Lena]. [Lena] was talking about food with her sister [Lynn].
[{('Charles', 'aunt', 'Lynn'): [('Charles', 'mother', 'Lena'), ('Lena', 'sister', 'Lynn')]}, {('Charles', 'mother', 'Lena'): [('Charles', 'brother', 'Chris'), ('Chris', 'mother', 'Lena')]}]
['brother', 'mother', 'sister']