[Tina] called her brother, [Theodore], up to see how he was doing after surgery. [Tina] loves to watch stand up comedy with her brother. His name is [Irvin]. [Irvin] and his sister [Mildred] stood in line at the fair.
('Mildred', 'Theodore')
[Irvin] and his sister [Mildred] stood in line at the fair. [Tina] loves to watch stand up comedy with her brother. His name is [Irvin]. [Tina] called her brother, [Theodore], up to see how he was doing after surgery.
[{('Mildred', 'brother', 'Theodore'): [('Mildred', 'brother', 'Irvin'), ('Irvin', 'brother', 'Theodore')]}, {('Irvin', 'brother', 'Theodore'): [('Irvin', 'sister', 'Tina'), ('Tina', 'brother', 'Theodore')]}]
['brother', 'sister', 'brother']