[Pamela] and her mother [Lena] went to volunteer at the homeless shelter last weekend. [Joshua] took his brother [Hugh] to get lunch at a local diner. [Hugh] took his niece [Pamela] fishing Saturday. They caught a couple small fish.
('Lena', 'Joshua')
[Pamela] and her mother [Lena] went to volunteer at the homeless shelter last weekend. [Hugh] took his niece [Pamela] fishing Saturday. They caught a couple small fish. [Joshua] took his brother [Hugh] to get lunch at a local diner.
[{('Lena', 'brother', 'Joshua'): [('Lena', 'brother', 'Hugh'), ('Hugh', 'brother', 'Joshua')]}, {('Lena', 'brother', 'Hugh'): [('Lena', 'daughter', 'Pamela'), ('Pamela', 'uncle', 'Hugh')]}]
['daughter', 'uncle', 'brother']