[Allan] needed someone to help him move out of his dorm last May. He asked his brother [John] and he said he would help him. [Tracy] took her son [Bobby] to the park for the afternoon. [Marie] likes taking her son [John] to school. [Tracy] is the lovely aunt of [Allan]
('Marie', 'Bobby')
[Marie] likes taking her son [John] to school. [Allan] needed someone to help him move out of his dorm last May. He asked his brother [John] and he said he would help him. [Tracy] is the lovely aunt of [Allan] [Tracy] took her son [Bobby] to the park for the afternoon.
[{('Marie', 'nephew', 'Bobby'): [('Marie', 'sister', 'Tracy'), ('Tracy', 'son', 'Bobby')]}, {('Marie', 'sister', 'Tracy'): [('Marie', 'son', 'Allan'), ('Allan', 'aunt', 'Tracy')]}, {('Marie', 'son', 'Allan'): [('Marie', 'son', 'John'), ('John', 'brother', 'Allan')]}]
['son', 'brother', 'aunt', 'son']