[John] went to the game with his sister [Tammy]. [John] asked his grandmother [Michelle] what he should get his sister [Rebbeca] for her birthday.
[John] asked his grandmother [Michelle] what he should get his sister [Rebbeca] for her birthday.
[{('Rebbeca', 'grandmother', 'Michelle'): [('Rebbeca', 'brother', 'John'), ('John', 'grandmother', 'Michelle')]}]