[Laura] invited her father [John] to her high school father daughter dance. [Laura] asked [Roy], her grandfather, for some candy.
('John', 'Roy')
[Laura] invited her father [John] to her high school father daughter dance. [Laura] asked [Roy], her grandfather, for some candy.
[{('John', 'father', 'Roy'): [('John', 'daughter', 'Laura'), ('Laura', 'grandfather', 'Roy')]}]