[Alma] asked her son [Andy] to help her fix her television. [Kevin] went to the ball game with his brothers [Andy] and [Billy].
('Alma', 'Billy')
[Alma] asked her son [Andy] to help her fix her television. [Kevin] went to the ball game with his brothers [Andy] and [Billy].
[{('Alma', 'son', 'Billy'): [('Alma', 'son', 'Kevin'), ('Kevin', 'brother', 'Billy')]}, {('Alma', 'son', 'Kevin'): [('Alma', 'son', 'Andy'), ('Andy', 'brother', 'Kevin')]}]