[Lillian] asked her son [Timothy] to take her car to get the oil changed and he said he would be there around 2 o'clock. [Timothy] and [Ann] celebrated their one year anniversary of marriage today.
('Ann', 'Lillian')
[Timothy] and [Ann] celebrated their one year anniversary of marriage today. [Lillian] asked her son [Timothy] to take her car to get the oil changed and he said he would be there around 2 o'clock.
[{('Ann', 'mother-in-law', 'Lillian'): [('Ann', 'husband', 'Timothy'), ('Timothy', 'mother', 'Lillian')]}]
['husband', 'mother']