[Jacob] took his daughter, [Alberta], and her grandmother, [Mary], to the opening screening of a movie.
('Jacob', 'Mary')
[Jacob] took his daughter, [Alberta], and her grandmother, [Mary], to the opening screening of a movie.
[{('Jacob', 'mother', 'Mary'): [('Jacob', 'daughter', 'Alberta'), ('Alberta', 'grandmother', 'Mary')]}]