[David] took her father [James] out to dinner one day and also brought along her son [Bobby]. [James] likes to take his daughter [Lynn] fishing.
('Bobby', 'Lynn')
[David] took her father [James] out to dinner one day and also brought along her son [Bobby]. [James] likes to take his daughter [Lynn] fishing.
[{('Bobby', 'aunt', 'Lynn'): [('Bobby', 'mother', 'David'), ('David', 'sister', 'Lynn')]}, {('David', 'sister', 'Lynn'): [('David', 'father', 'James'), ('James', 'daughter', 'Lynn')]}]
['mother', 'father', 'daughter']