[Brandon] is a sibling of [Johnson]. [Johnson] asked his mother, [David], to bake him a cake. She told him to wait for his birthday. [David]'s mom, [Frances], has recently taken art classes.
('Brandon', 'Frances')
[Brandon] is a sibling of [Johnson]. [Johnson] asked his mother, [David], to bake him a cake. She told him to wait for his birthday. [David]'s mom, [Frances], has recently taken art classes.
[{('Brandon', 'grandmother', 'Frances'): [('Brandon', 'mother', 'David'), ('David', 'mother', 'Frances')]}, {('Brandon', 'mother', 'David'): [('Brandon', 'brother', 'Johnson'), ('Johnson', 'mother', 'David')]}]
['brother', 'mother', 'mother']