[Dorothy] and her sister [Tracy] were fighting. They never fight long though, and they made up the next day. [Michelle] and her mother [Marie] went to volunteer at the homeless shelter last weekend. [Antonio] took his sisters [Marie] and [Dorothy] on a hiking trip last weekend.
('Tracy', 'Michelle')
[Dorothy] and her sister [Tracy] were fighting. They never fight long though, and they made up the next day. [Antonio] took his sisters [Marie] and [Dorothy] on a hiking trip last weekend. [Michelle] and her mother [Marie] went to volunteer at the homeless shelter last weekend.
[{('Tracy', 'niece', 'Michelle'): [('Tracy', 'sister', 'Marie'), ('Marie', 'daughter', 'Michelle')]}, {('Tracy', 'sister', 'Marie'): [('Tracy', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Marie')]}, {('Dorothy', 'sister', 'Marie'): [('Dorothy', 'brother', 'Antonio'), ('Antonio', 'sister', 'Marie')]}]
['sister', 'brother', 'sister', 'daughter']