[Dale] 'son [Travis] could not believe that his father bought him a coffee machine for his birthday. [Ashley] baked cookies for her grandson [Travis].
('Dale', 'Ashley')
[Dale] 'son [Travis] could not believe that his father bought him a coffee machine for his birthday. [Ashley] baked cookies for her grandson [Travis].
[{('Dale', 'mother', 'Ashley'): [('Dale', 'son', 'Travis'), ('Travis', 'grandmother', 'Ashley')]}]
['son', 'grandmother']