[Martha] was celebrating her birthday with her mother [Lena]. [Lena]'s brother [Hugh] took her to the fair when she was little. [Hugh] also brought his brother [Joshua].
('Martha', 'Joshua')
[Martha] was celebrating her birthday with her mother [Lena]. [Lena]'s brother [Hugh] took her to the fair when she was little. [Hugh] also brought his brother [Joshua].
[{('Martha', 'uncle', 'Joshua'): [('Martha', 'mother', 'Lena'), ('Lena', 'brother', 'Joshua')]}, {('Lena', 'brother', 'Joshua'): [('Lena', 'brother', 'Hugh'), ('Hugh', 'brother', 'Joshua')]}]
['mother', 'brother', 'brother']