[Joshua] has a sister that picks on him. Her name is [Lena]. [Chris] could n't wait to introduce his new son to his uncle, [Francisco]. [Lena] takes her son [Chris] to the park every Saturday.
('Joshua', 'Francisco')
[Joshua] has a sister that picks on him. Her name is [Lena]. [Lena] takes her son [Chris] to the park every Saturday. [Chris] could n't wait to introduce his new son to his uncle, [Francisco].
[{('Joshua', 'brother', 'Francisco'): [('Joshua', 'sister', 'Lena'), ('Lena', 'brother', 'Francisco')]}, {('Lena', 'brother', 'Francisco'): [('Lena', 'son', 'Chris'), ('Chris', 'uncle', 'Francisco')]}]
['sister', 'son', 'uncle']