[Harold] bought a present for his grandson [Roberto]. [Dorothy] bought a gift for her son [Jeffrey]. She also bought one for her husband [Pedro]. [Roberto] hated [Pedro], so [Roberto] ran away from home. [Roberto] figured [Pedro] did n't like being hid dad anyhow.
('Harold', 'Jeffrey')
[Harold] bought a present for his grandson [Roberto]. [Roberto] hated [Pedro], so [Roberto] ran away from home. [Roberto] figured [Pedro] did n't like being hid dad anyhow. [Dorothy] bought a gift for her son [Jeffrey]. She also bought one for her husband [Pedro].
[{('Harold', 'grandson', 'Jeffrey'): [('Harold', 'grandson', 'Roberto'), ('Roberto', 'brother', 'Jeffrey')]}, {('Roberto', 'brother', 'Jeffrey'): [('Roberto', 'father', 'Pedro'), ('Pedro', 'son', 'Jeffrey')]}, {('Pedro', 'son', 'Jeffrey'): [('Pedro', 'wife', 'Dorothy'), ('Dorothy', 'son', 'Jeffrey')]}]
['grandson', 'father', 'wife', 'son']