[Frances]'s son, [Wesley], has a son named [Charles]. [Charles] liked to visit his uncle [Joshua]. They played ball together a lot.
('Frances', 'Joshua')
[Frances]'s son, [Wesley], has a son named [Charles]. [Charles] liked to visit his uncle [Joshua]. They played ball together a lot.
[{('Frances', 'son', 'Joshua'): [('Frances', 'son', 'Wesley'), ('Wesley', 'brother', 'Joshua')]}, {('Wesley', 'brother', 'Joshua'): [('Wesley', 'son', 'Charles'), ('Charles', 'uncle', 'Joshua')]}]
['son', 'son', 'uncle']