[Lena] is a woman with a nephew named [Johnson]. [Cindy] was sewing a sweater for her sister [Lena]. [David] has a son called [Johnson]. Each day they go to the park after school.
('David', 'Cindy')
[David] has a son called [Johnson]. Each day they go to the park after school. [Lena] is a woman with a nephew named [Johnson]. [Cindy] was sewing a sweater for her sister [Lena].
[{('David', 'sister', 'Cindy'): [('David', 'sister', 'Lena'), ('Lena', 'sister', 'Cindy')]}, {('David', 'sister', 'Lena'): [('David', 'son', 'Johnson'), ('Johnson', 'aunt', 'Lena')]}]
['son', 'aunt', 'sister']