[Lillian] picked up her daughter [April] from school early. [Lillian] has a son called [Jerry]. Each day they go to the park after school.
('April', 'Jerry')
[Lillian] picked up her daughter [April] from school early. [Lillian] has a son called [Jerry]. Each day they go to the park after school.
[{('April', 'brother', 'Jerry'): [('April', 'mother', 'Lillian'), ('Lillian', 'son', 'Jerry')]}]
['mother', 'son']