[Chris] took his brother [Charles] to get lunch at a local diner. [Lena], [Chris] mother, likes to take him to eat ice cream on Sundays. [Lena] was celebrating her birthday with her mother [Frances].
('Charles', 'Frances')
[Chris] took his brother [Charles] to get lunch at a local diner. [Lena], [Chris] mother, likes to take him to eat ice cream on Sundays. [Lena] was celebrating her birthday with her mother [Frances].
[{('Charles', 'grandmother', 'Frances'): [('Charles', 'mother', 'Lena'), ('Lena', 'mother', 'Frances')]}, {('Charles', 'mother', 'Lena'): [('Charles', 'brother', 'Chris'), ('Chris', 'mother', 'Lena')]}]
['brother', 'mother', 'mother']