[Dorothy] needed to go to the store. [Dorothy] asked her sister [Tracy] for a ride. [Dorothy] loves to make cookies for her son. His name is [Jerome]. [Jerome] went fishing with is uncle [Robert] last weekend. [Mario] asked his father, [Robert] to help him build a birdhouse.
('Tracy', 'Mario')
[Dorothy] needed to go to the store. [Dorothy] asked her sister [Tracy] for a ride. [Dorothy] loves to make cookies for her son. His name is [Jerome]. [Jerome] went fishing with is uncle [Robert] last weekend. [Mario] asked his father, [Robert] to help him build a birdhouse.
[{('Tracy', 'nephew', 'Mario'): [('Tracy', 'brother', 'Robert'), ('Robert', 'son', 'Mario')]}, {('Tracy', 'brother', 'Robert'): [('Tracy', 'sister', 'Dorothy'), ('Dorothy', 'brother', 'Robert')]}, {('Dorothy', 'brother', 'Robert'): [('Dorothy', 'son', 'Jerome'), ('Jerome', 'uncle', 'Robert')]}]
['sister', 'son', 'uncle', 'son']