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