[Marie] and her husband, [Robert], went for a walk. [Allan], [Robert]'s son, tagged along. [Harold] always saw his daughter, [Marie], as the apple of his eye. [Allan]'s Aunt [Tracy] decided to take him on a 7-day cruise!
('Harold', 'Tracy')
[Harold] always saw his daughter, [Marie], as the apple of his eye. [Marie] and her husband, [Robert], went for a walk. [Allan], [Robert]'s son, tagged along. [Allan]'s Aunt [Tracy] decided to take him on a 7-day cruise!
[{('Harold', 'daughter', 'Tracy'): [('Harold', 'daughter', 'Marie'), ('Marie', 'sister', 'Tracy')]}, {('Marie', 'sister', 'Tracy'): [('Marie', 'son', 'Allan'), ('Allan', 'aunt', 'Tracy')]}, {('Marie', 'son', 'Allan'): [('Marie', 'husband', 'Robert'), ('Robert', 'son', 'Allan')]}]
['daughter', 'husband', 'son', 'aunt']