[Lillian] is a lovely mother. She has a son named [Timothy], who she loves infinitely. [Lillian] loves to make cookies for her son. His name is [Douglas].
('Timothy', 'Douglas')
[Lillian] is a lovely mother. She has a son named [Timothy], who she loves infinitely. [Lillian] loves to make cookies for her son. His name is [Douglas].
[{('Timothy', 'brother', 'Douglas'): [('Timothy', 'mother', 'Lillian'), ('Lillian', 'son', 'Douglas')]}]
['mother', 'son']