[Joshua] and his sister [Lena] made a card for [Lena]'s mother [Frances]. [Hugh] took his brother [Joshua] to get lunch at a local diner.
('Frances', 'Hugh')
[Joshua] and his sister [Lena] made a card for [Lena]'s mother [Frances]. [Hugh] took his brother [Joshua] to get lunch at a local diner.
[{('Frances', 'son', 'Hugh'): [('Frances', 'daughter', 'Lena'), ('Lena', 'brother', 'Hugh')]}, {('Lena', 'brother', 'Hugh'): [('Lena', 'brother', 'Joshua'), ('Joshua', 'brother', 'Hugh')]}]
['daughter', 'brother', 'brother']