[John] asked his aunt [Dorothy] what college he should attend. It was a sunny day and [Marie] took her two daughters, [Elsie] and [Michelle], for a walk in the park. On the way there, [Marie] saw her son, [John], and asked him to join them.
('Elsie', 'Dorothy')
It was a sunny day and [Marie] took her two daughters, [Elsie] and [Michelle], for a walk in the park. On the way there, [Marie] saw her son, [John], and asked him to join them. [John] asked his aunt [Dorothy] what college he should attend.
[{('Elsie', 'aunt', 'Dorothy'): [('Elsie', 'mother', 'Marie'), ('Marie', 'sister', 'Dorothy')]}, {('Elsie', 'mother', 'Marie'): [('Elsie', 'sister', 'Michelle'), ('Michelle', 'mother', 'Marie')]}, {('Marie', 'sister', 'Dorothy'): [('Marie', 'son', 'John'), ('John', 'aunt', 'Dorothy')]}]
['sister', 'mother', 'son', 'aunt']