[Michael] asked his mom [Amy] if she would bake him a cake. [Amy] told him she would n't, because [Michael] was getting fat and did n't need the extra calories. [Amy] drove her son [Milton] to his soccer game.
('Michael', 'Milton')
[Michael] asked his mom [Amy] if she would bake him a cake. [Amy] told him she would n't, because [Michael] was getting fat and did n't need the extra calories. [Amy] drove her son [Milton] to his soccer game.
[{('Michael', 'brother', 'Milton'): [('Michael', 'mother', 'Amy'), ('Amy', 'son', 'Milton')]}]
['mother', 'son']