[Mildred] was n't sure what to buy her brother [Irvin] for his birthday. She decided to ask her mother, [Lena], for some advice. [Lena] gave her brother [Joshua] a new sweater for Christmas.
('Irvin', 'Joshua')
[Mildred] was n't sure what to buy her brother [Irvin] for his birthday. She decided to ask her mother, [Lena], for some advice. [Lena] gave her brother [Joshua] a new sweater for Christmas.
[{('Irvin', 'uncle', 'Joshua'): [('Irvin', 'mother', 'Lena'), ('Lena', 'brother', 'Joshua')]}, {('Irvin', 'mother', 'Lena'): [('Irvin', 'sister', 'Mildred'), ('Mildred', 'mother', 'Lena')]}]
['sister', 'mother', 'brother']