[Lena] called her mother [Frances] to let her know she will be back home soon. [Charles] and her sister [Martha] are planning on a short vacation. They are planning on visiting their mother [Lena] in London for Spring break.
('Charles', 'Frances')
[Charles] and her sister [Martha] are planning on a short vacation. They are planning on visiting their mother [Lena] in London for Spring break. [Lena] called her mother [Frances] to let her know she will be back home soon.
[{('Charles', 'grandmother', 'Frances'): [('Charles', 'sister', 'Martha'), ('Martha', 'grandmother', 'Frances')]}, {('Martha', 'grandmother', 'Frances'): [('Martha', 'mother', 'Lena'), ('Lena', 'mother', 'Frances')]}]
['sister', 'mother', 'mother']