[David] took her daughter [Marie] to school during the cold winter morning. [Hugh] enjoyed rough housing with his son [Bobby]. [Hugh]'s wife [David] did n't approve of it though.
('Marie', 'Bobby')
[David] took her daughter [Marie] to school during the cold winter morning. [Hugh] enjoyed rough housing with his son [Bobby]. [Hugh]'s wife [David] did n't approve of it though.
[{('Marie', 'brother', 'Bobby'): [('Marie', 'mother', 'David'), ('David', 'son', 'Bobby')]}, {('David', 'son', 'Bobby'): [('David', 'husband', 'Hugh'), ('Hugh', 'son', 'Bobby')]}]
['mother', 'husband', 'son']