[Timothy] who is [Lillian]'s son made the basketball team. [Ashley] who is the grandmother of [Timothy] will attend the game.
('Lillian', 'Ashley')
[Timothy] who is [Lillian]'s son made the basketball team. [Ashley] who is the grandmother of [Timothy] will attend the game.
[{('Lillian', 'mother', 'Ashley'): [('Lillian', 'son', 'Timothy'), ('Timothy', 'grandmother', 'Ashley')]}]
['son', 'grandmother']