[Ashley] picked up her daughter [Theresa] from school early. [Nicolas] took his mother [Theresa] a new pot for her flowers.
('Nicolas', 'Ashley')
[Nicolas] took his mother [Theresa] a new pot for her flowers. [Ashley] picked up her daughter [Theresa] from school early.
[{('Nicolas', 'grandmother', 'Ashley'): [('Nicolas', 'mother', 'Theresa'), ('Theresa', 'mother', 'Ashley')]}]
['mother', 'mother']