[Milton]'s mother [Amy] secretly put money away for him to go on a trip next fall. [Dale] and his sister [Amy] stood in line at the fair.
('Milton', 'Dale')
[Milton]'s mother [Amy] secretly put money away for him to go on a trip next fall. [Dale] and his sister [Amy] stood in line at the fair.
[{('Milton', 'uncle', 'Dale'): [('Milton', 'mother', 'Amy'), ('Amy', 'brother', 'Dale')]}]
['mother', 'brother']