[Frances]'s grandson [Bobby] recently graduated college with honours. [Brandon] went jogging with his brother [Johnson]. [Johnson]'s brother [Bobby] prefers running instead.
('Frances', 'Brandon')
[Frances]'s grandson [Bobby] recently graduated college with honours. [Brandon] went jogging with his brother [Johnson]. [Johnson]'s brother [Bobby] prefers running instead.
[{('Frances', 'grandson', 'Brandon'): [('Frances', 'grandson', 'Johnson'), ('Johnson', 'brother', 'Brandon')]}, {('Frances', 'grandson', 'Johnson'): [('Frances', 'grandson', 'Bobby'), ('Bobby', 'brother', 'Johnson')]}]
['grandson', 'brother', 'brother']