[Joseph] took a trip to see his mother, [Lynn], and his brother [Clarence] was already there. [Lynn]'s father, [James], showed up two days late.
('Clarence', 'James')
[Joseph] took a trip to see his mother, [Lynn], and his brother [Clarence] was already there. [Lynn]'s father, [James], showed up two days late.
[{('Clarence', 'grandfather', 'James'): [('Clarence', 'mother', 'Lynn'), ('Lynn', 'father', 'James')]}, {('Clarence', 'mother', 'Lynn'): [('Clarence', 'brother', 'Joseph'), ('Joseph', 'mother', 'Lynn')]}]
['brother', 'mother', 'father']