[Cindy] does n't like having to babysit her younger brother, [Hugh]. [Joshua] enjoys talking to his sister. Her name is [Cindy]. [Hugh] and his father [James] played video games all day last Saturday.
('Joshua', 'James')
[Joshua] enjoys talking to his sister. Her name is [Cindy]. [Cindy] does n't like having to babysit her younger brother, [Hugh]. [Hugh] and his father [James] played video games all day last Saturday.
[{('Joshua', 'father', 'James'): [('Joshua', 'sister', 'Cindy'), ('Cindy', 'father', 'James')]}, {('Cindy', 'father', 'James'): [('Cindy', 'brother', 'Hugh'), ('Hugh', 'father', 'James')]}]
['sister', 'brother', 'father']