[Lois] loves to make cookies for her son. His name is [Danny]. [Danny] helped his brother, [Arthur], study for the chemistry exam.
('Lois', 'Arthur')
[Lois] loves to make cookies for her son. His name is [Danny]. [Danny] helped his brother, [Arthur], study for the chemistry exam.
[{('Lois', 'son', 'Arthur'): [('Lois', 'son', 'Danny'), ('Danny', 'brother', 'Arthur')]}]