[Nicolas] called his sister [June] to find out if she wanted to go to the movies with him and his other sister [Rosetta]. She was excited to join the two of them and they agreed to meet at 5pm.
('Rosetta', 'June')
[Nicolas] called his sister [June] to find out if she wanted to go to the movies with him and his other sister [Rosetta]. She was excited to join the two of them and they agreed to meet at 5pm.
[{('Rosetta', 'sister', 'June'): [('Rosetta', 'brother', 'Nicolas'), ('Nicolas', 'sister', 'June')]}]
['brother', 'sister']