[Amy] loves her brother [Dale]. [Dennis] asked his mother [Amy] where babies came from. [Amy] told him they came from the stork.
('Dennis', 'Dale')
[Dennis] asked his mother [Amy] where babies came from. [Amy] told him they came from the stork. [Amy] loves her brother [Dale].
[{('Dennis', 'uncle', 'Dale'): [('Dennis', 'mother', 'Amy'), ('Amy', 'brother', 'Dale')]}]
['mother', 'brother']