[Lynn] and her brother [Wesley] and sister [Cindy] went fishing. [Wesley]'s son [Irvin] went surfing instead.
('Irvin', 'Lynn')
[Lynn] and her brother [Wesley] and sister [Cindy] went fishing. [Wesley]'s son [Irvin] went surfing instead.
[{('Irvin', 'aunt', 'Lynn'): [('Irvin', 'father', 'Wesley'), ('Wesley', 'sister', 'Lynn')]}, {('Wesley', 'sister', 'Lynn'): [('Wesley', 'sister', 'Cindy'), ('Cindy', 'sister', 'Lynn')]}]
['father', 'sister', 'sister']