[Roy]'s grandson, [Michael], was eager to start his new job at the same company. [Roy] and his wife [Mary] are going to be at the play.
('Mary', 'Michael')
[Roy] and his wife [Mary] are going to be at the play. [Roy]'s grandson, [Michael], was eager to start his new job at the same company.
[{('Mary', 'grandson', 'Michael'): [('Mary', 'husband', 'Roy'), ('Roy', 'grandson', 'Michael')]}]