[Joshua] does not know he has a son named [Don]. [Joseph] and his grandfather, [James], went to the zoo, and had a great time together. [Don] is happy that his brother, [Joseph], is becoming successful.
('Joshua', 'James')
[Joshua] does not know he has a son named [Don]. [Don] is happy that his brother, [Joseph], is becoming successful. [Joseph] and his grandfather, [James], went to the zoo, and had a great time together.
[{('Joshua', 'father', 'James'): [('Joshua', 'son', 'Don'), ('Don', 'grandfather', 'James')]}, {('Don', 'grandfather', 'James'): [('Don', 'brother', 'Joseph'), ('Joseph', 'grandfather', 'James')]}]
['son', 'brother', 'grandfather']