[Carl] asked his sister [Marjorie] for some money. He was going to use the money to buy his grandfather, [Roy], a present.
('Roy', 'Marjorie')
[Carl] asked his sister [Marjorie] for some money. He was going to use the money to buy his grandfather, [Roy], a present.
[{('Roy', 'granddaughter', 'Marjorie'): [('Roy', 'grandson', 'Carl'), ('Carl', 'sister', 'Marjorie')]}]