[Frances] brought her daughter [Lena] a cake. [Lena]'s daughter [Martha] wanted to eat the cake. [Martha] loves to watch stand up comedy with her brother. His name is [Charles].
('Charles', 'Frances')
[Martha] loves to watch stand up comedy with her brother. His name is [Charles]. [Frances] brought her daughter [Lena] a cake. [Lena]'s daughter [Martha] wanted to eat the cake.
[{('Charles', 'grandmother', 'Frances'): [('Charles', 'mother', 'Lena'), ('Lena', 'mother', 'Frances')]}, {('Charles', 'mother', 'Lena'): [('Charles', 'sister', 'Martha'), ('Martha', 'mother', 'Lena')]}]
['sister', 'mother', 'mother']