[Lillian] bought a new video game for her son [Timothy]. [Timothy] loves to dance with his wife. Her name is [Ann].
('Ann', 'Lillian')
[Timothy] loves to dance with his wife. Her name is [Ann]. [Lillian] bought a new video game for her son [Timothy].
[{('Ann', 'mother-in-law', 'Lillian'): [('Ann', 'husband', 'Timothy'), ('Timothy', 'mother', 'Lillian')]}]
['husband', 'mother']