[Mary] told her daughter [Martha] she was sick. [Mary] then called her son [Jacob] and he took her to the hospital.
('Jacob', 'Martha')
[Mary] told her daughter [Martha] she was sick. [Mary] then called her son [Jacob] and he took her to the hospital.
[{('Jacob', 'sister', 'Martha'): [('Jacob', 'mother', 'Mary'), ('Mary', 'daughter', 'Martha')]}]