[Joshua] and his sister [Lena] took their father out to eat for his birthday. They had a great time. [Hugh] and her sister [Lena] decided to take a trip to Mexico together. [Andrea] went out for pizza with her father [Joshua].
('Andrea', 'Hugh')
[Andrea] went out for pizza with her father [Joshua]. [Joshua] and his sister [Lena] took their father out to eat for his birthday. They had a great time. [Hugh] and her sister [Lena] decided to take a trip to Mexico together.
[{('Andrea', 'uncle', 'Hugh'): [('Andrea', 'father', 'Joshua'), ('Joshua', 'brother', 'Hugh')]}, {('Joshua', 'brother', 'Hugh'): [('Joshua', 'sister', 'Lena'), ('Lena', 'brother', 'Hugh')]}]
['father', 'sister', 'brother']