[Ann]'s mom, [Martha], has recently taken art classes. [Ann] and her husband [Robert] just celebrated 10 years of marriage.
('Robert', 'Martha')
[Ann] and her husband [Robert] just celebrated 10 years of marriage. [Ann]'s mom, [Martha], has recently taken art classes.
[{('Robert', 'mother-in-law', 'Martha'): [('Robert', 'wife', 'Ann'), ('Ann', 'mother', 'Martha')]}]