[Cindy] looked all over the house for her son [Wayne], but could n't find him. That's because [Wayne] was outside in the back yard, playing baseball with his brother [Leonard]. [Natasha] called her brother, [Leonard], up to see how he was doing after surgery.
('Natasha', 'Cindy')
[Natasha] called her brother, [Leonard], up to see how he was doing after surgery. [Cindy] looked all over the house for her son [Wayne], but could n't find him. That's because [Wayne] was outside in the back yard, playing baseball with his brother [Leonard].
[{('Natasha', 'mother', 'Cindy'): [('Natasha', 'brother', 'Leonard'), ('Leonard', 'mother', 'Cindy')]}, {('Leonard', 'mother', 'Cindy'): [('Leonard', 'brother', 'Wayne'), ('Wayne', 'mother', 'Cindy')]}]
['brother', 'brother', 'mother']