[Ashley] asked her grandson [Jeff] to help her bring in bags from the car. When she went inside, [Jeff] had left to ride bikes with his brother [Robert].
('Robert', 'Ashley')
[Ashley] asked her grandson [Jeff] to help her bring in bags from the car. When she went inside, [Jeff] had left to ride bikes with his brother [Robert].
[{('Robert', 'grandmother', 'Ashley'): [('Robert', 'brother', 'Jeff'), ('Jeff', 'grandmother', 'Ashley')]}]
['brother', 'grandmother']