[Joshua] is a man with a son named [Clarence]. [David] us the daughter of [James] 'wife. [Joshua] and his father [James] played video games all day last Saturday.
('Clarence', 'David')
[Joshua] is a man with a son named [Clarence]. [Joshua] and his father [James] played video games all day last Saturday. [David] us the daughter of [James] 'wife.
[{('Clarence', 'aunt', 'David'): [('Clarence', 'father', 'Joshua'), ('Joshua', 'sister', 'David')]}, {('Joshua', 'sister', 'David'): [('Joshua', 'father', 'James'), ('James', 'daughter', 'David')]}]
['father', 'father', 'daughter']