[Jacob] took his daughter [Marjorie] to see her grandfather [Roy] after school yesterday.
('Jacob', 'Roy')
[Jacob] took his daughter [Marjorie] to see her grandfather [Roy] after school yesterday.
[{('Jacob', 'father', 'Roy'): [('Jacob', 'daughter', 'Marjorie'), ('Marjorie', 'grandfather', 'Roy')]}]