[Thomas] and his sister [Juanita] went out for coffee. [Juanita] asked her brother [Don] if he wanted them to bring him anything back, but he said no. [Don] gave his mother [Lynn] flowers on her birthday.
('Thomas', 'Lynn')
[Thomas] and his sister [Juanita] went out for coffee. [Juanita] asked her brother [Don] if he wanted them to bring him anything back, but he said no. [Don] gave his mother [Lynn] flowers on her birthday.
[{('Thomas', 'mother', 'Lynn'): [('Thomas', 'brother', 'Don'), ('Don', 'mother', 'Lynn')]}, {('Thomas', 'brother', 'Don'): [('Thomas', 'sister', 'Juanita'), ('Juanita', 'brother', 'Don')]}]
['sister', 'brother', 'mother']