[Dorothy]'s daughter, [Cheryl], and her husband [Pedro] helped her weed the garden. [Dorothy] and her daughter [Cheryl] were making dinner yesterday and [Dorothy]'s sister [Tracy] called and [Dorothy] asked her to come over for dinner.
('Pedro', 'Tracy')
[Dorothy]'s daughter, [Cheryl], and her husband [Pedro] helped her weed the garden. [Dorothy] and her daughter [Cheryl] were making dinner yesterday and [Dorothy]'s sister [Tracy] called and [Dorothy] asked her to come over for dinner.
[{('Pedro', 'sister', 'Tracy'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'aunt', 'Tracy')]}, {('Pedro', 'daughter', 'Cheryl'): [('Pedro', 'wife', 'Dorothy'), ('Dorothy', 'daughter', 'Cheryl')]}, {('Cheryl', 'aunt', 'Tracy'): [('Cheryl', 'mother', 'Dorothy'), ('Dorothy', 'sister', 'Tracy')]}]
['wife', 'daughter', 'mother', 'sister']