[Pedro] bought an expensive ring for his wife [Dorothy]. [Cheryl] did not go to her brother [Jeffrey]'s baseball game because her and her mother, [Dorothy] were at the store. [Jeffrey] was going to meet his wife, [Annie], for lunch.
('Pedro', 'Annie')
[Pedro] bought an expensive ring for his wife [Dorothy]. [Cheryl] did not go to her brother [Jeffrey]'s baseball game because her and her mother, [Dorothy] were at the store. [Jeffrey] was going to meet his wife, [Annie], for lunch.
[{('Pedro', 'daughter-in-law', 'Annie'): [('Pedro', 'son', 'Jeffrey'), ('Jeffrey', 'wife', 'Annie')]}, {('Pedro', 'son', 'Jeffrey'): [('Pedro', 'wife', 'Dorothy'), ('Dorothy', 'son', 'Jeffrey')]}, {('Dorothy', 'son', 'Jeffrey'): [('Dorothy', 'daughter', 'Cheryl'), ('Cheryl', 'brother', 'Jeffrey')]}]
['wife', 'daughter', 'brother', 'wife']