[Mary] was baking cookies for her grandson, [Timmy]. [Timmy]'s brother [Fernando] came home from school, so she baked some extra for him, too.
('Mary', 'Fernando')
[Mary] was baking cookies for her grandson, [Timmy]. [Timmy]'s brother [Fernando] came home from school, so she baked some extra for him, too.
[{('Mary', 'grandson', 'Fernando'): [('Mary', 'grandson', 'Timmy'), ('Timmy', 'brother', 'Fernando')]}]