[Milton] asked his mother [Amy] where babies came from. [Amy] told him they came from the stork. [Amy] went on a vacation with her brother [Wayne].
('Milton', 'Wayne')
[Milton] asked his mother [Amy] where babies came from. [Amy] told him they came from the stork. [Amy] went on a vacation with her brother [Wayne].
[{('Milton', 'uncle', 'Wayne'): [('Milton', 'mother', 'Amy'), ('Amy', 'brother', 'Wayne')]}]
['mother', 'brother']