[Dennis] and his sister [Jennifer] went to brunch today at the new diner. [Ashley] took her grandson [Dennis] to daycare today.
('Jennifer', 'Ashley')
[Dennis] and his sister [Jennifer] went to brunch today at the new diner. [Ashley] took her grandson [Dennis] to daycare today.
[{('Jennifer', 'grandmother', 'Ashley'): [('Jennifer', 'brother', 'Dennis'), ('Dennis', 'grandmother', 'Ashley')]}]
['brother', 'grandmother']