[Ernest] got into an argument with his brother [John] and pushed him to the floor. As he burst into tears [Ernest] ran to his mother [Mary] for comfort.
('Mary', 'John')
[Ernest] got into an argument with his brother [John] and pushed him to the floor. As he burst into tears [Ernest] ran to his mother [Mary] for comfort.
[{('Mary', 'son', 'John'): [('Mary', 'son', 'Ernest'), ('Ernest', 'brother', 'John')]}]