[Robert] took his son [Allan] to baseball practice. [Robert]'s daughter [Elsie] was busy at soccer practice. [Shantel]'s son [Robert] called her on the phone to tell her that his daughter [Elsie] was born.
('Allan', 'Shantel')
[Robert] took his son [Allan] to baseball practice. [Robert]'s daughter [Elsie] was busy at soccer practice. [Shantel]'s son [Robert] called her on the phone to tell her that his daughter [Elsie] was born.
[{('Allan', 'grandmother', 'Shantel'): [('Allan', 'sister', 'Elsie'), ('Elsie', 'grandmother', 'Shantel')]}, {('Elsie', 'grandmother', 'Shantel'): [('Elsie', 'father', 'Robert'), ('Robert', 'mother', 'Shantel')]}, {('Allan', 'sister', 'Elsie'): [('Allan', 'father', 'Robert'), ('Robert', 'daughter', 'Elsie')]}]
['father', 'daughter', 'father', 'mother']