[Bernardo] bought his wife [Erika] roses. [Kevin] is a man with a son named [Antonio]. [Tracy] cooked her son [Kevin] his favorite meal yesterday because it was his birthday. [Antonio] was upset at his daughter [Erika] for staying out so late.
('Bernardo', 'Tracy')
[Bernardo] bought his wife [Erika] roses. [Antonio] was upset at his daughter [Erika] for staying out so late. [Kevin] is a man with a son named [Antonio]. [Tracy] cooked her son [Kevin] his favorite meal yesterday because it was his birthday.
[{('Bernardo', 'mother-in-law', 'Tracy'): [('Bernardo', 'wife', 'Erika'), ('Erika', 'mother', 'Tracy')]}, {('Erika', 'mother', 'Tracy'): [('Erika', 'brother', 'Kevin'), ('Kevin', 'mother', 'Tracy')]}, {('Erika', 'brother', 'Kevin'): [('Erika', 'father', 'Antonio'), ('Antonio', 'son', 'Kevin')]}]
['wife', 'father', 'son', 'mother']