[Dennis] loves to play baseball with his dad, [Nicholas]. [Ashley] made apple pie with her grandson [Dennis].
('Nicholas', 'Ashley')
[Dennis] loves to play baseball with his dad, [Nicholas]. [Ashley] made apple pie with her grandson [Dennis].
[{('Nicholas', 'mother', 'Ashley'): [('Nicholas', 'son', 'Dennis'), ('Dennis', 'grandmother', 'Ashley')]}]
['son', 'grandmother']