[Thomas]'s father's name is [Joshua]. [Lena] is always around her brother [Joshua]. [Lena] could n't wait for the surprise birthday party that she was throwing for her brother [Hugh] next weekend.
('Hugh', 'Thomas')
[Lena] could n't wait for the surprise birthday party that she was throwing for her brother [Hugh] next weekend. [Lena] is always around her brother [Joshua]. [Thomas]'s father's name is [Joshua].
[{('Hugh', 'nephew', 'Thomas'): [('Hugh', 'brother', 'Joshua'), ('Joshua', 'son', 'Thomas')]}, {('Hugh', 'brother', 'Joshua'): [('Hugh', 'sister', 'Lena'), ('Lena', 'brother', 'Joshua')]}]
['sister', 'brother', 'son']