[Joseph] asked his father, [Joshua], if he could take him to school. [Joshua] was busy, but his sister [Cindy] had time, so she took him instead. [Lynn] loves cooking for her son. His name is [Joseph].
('Lynn', 'Cindy')
[Lynn] loves cooking for her son. His name is [Joseph]. [Joseph] asked his father, [Joshua], if he could take him to school. [Joshua] was busy, but his sister [Cindy] had time, so she took him instead.
[{('Lynn', 'sister', 'Cindy'): [('Lynn', 'son', 'Joseph'), ('Joseph', 'aunt', 'Cindy')]}, {('Joseph', 'aunt', 'Cindy'): [('Joseph', 'father', 'Joshua'), ('Joshua', 'sister', 'Cindy')]}]
['son', 'father', 'sister']