[Lena] and her daughter [Tina] went out for ice cream. [Lena] got a cone and [Tina] got a sundae. [Frances] and her daughter [David] went shopping together last Monday and they bought new shoes for [Frances]'s kids. [Tina] gave her Aunt [David] a kiss.
('Lena', 'Frances')
[Lena] and her daughter [Tina] went out for ice cream. [Lena] got a cone and [Tina] got a sundae. [Tina] gave her Aunt [David] a kiss. [Frances] and her daughter [David] went shopping together last Monday and they bought new shoes for [Frances]'s kids.
[{('Lena', 'mother', 'Frances'): [('Lena', 'sister', 'David'), ('David', 'mother', 'Frances')]}, {('Lena', 'sister', 'David'): [('Lena', 'daughter', 'Tina'), ('Tina', 'aunt', 'David')]}]
['daughter', 'aunt', 'mother']