[Lena] took her daughter, [Martha], out to High Tea yesterday afternoon. [Martha] loves to visit her Uncle [Hugh] on his farm. [Hugh] is an engineer who loves to take his son [Bobby] to the science museum to help him learn about the world
('Lena', 'Bobby')
[Lena] took her daughter, [Martha], out to High Tea yesterday afternoon. [Martha] loves to visit her Uncle [Hugh] on his farm. [Hugh] is an engineer who loves to take his son [Bobby] to the science museum to help him learn about the world
[{('Lena', 'nephew', 'Bobby'): [('Lena', 'brother', 'Hugh'), ('Hugh', 'son', 'Bobby')]}, {('Lena', 'brother', 'Hugh'): [('Lena', 'daughter', 'Martha'), ('Martha', 'uncle', 'Hugh')]}]
['daughter', 'uncle', 'son']