[Wesley] went sailing with his sister [David] and his son [Charles]. [Francisco] and his sister [David] stood in line at the fair.
('Charles', 'Francisco')
[Wesley] went sailing with his sister [David] and his son [Charles]. [Francisco] and his sister [David] stood in line at the fair.
[{('Charles', 'uncle', 'Francisco'): [('Charles', 'father', 'Wesley'), ('Wesley', 'brother', 'Francisco')]}, {('Wesley', 'brother', 'Francisco'): [('Wesley', 'sister', 'David'), ('David', 'brother', 'Francisco')]}]
['father', 'sister', 'brother']