[James] who is [Joshua]'s father grounded [Joshua] after finding out what [Joshua] had done at school. [David]'s brother, [Joshua], was getting ready to start a new job. [David] was very happy for him. [David] was talking about food with her sister [Lena].
('James', 'Lena')
[James] who is [Joshua]'s father grounded [Joshua] after finding out what [Joshua] had done at school. [David]'s brother, [Joshua], was getting ready to start a new job. [David] was very happy for him. [David] was talking about food with her sister [Lena].
[{('James', 'daughter', 'Lena'): [('James', 'son', 'Joshua'), ('Joshua', 'sister', 'Lena')]}, {('Joshua', 'sister', 'Lena'): [('Joshua', 'sister', 'David'), ('David', 'sister', 'Lena')]}]
['son', 'sister', 'sister']