[Martha] asked her father [Roy] for some money to go out this weekend. [Martha] could n't wait to get off the plane to see her mother, [Margaret].
('Margaret', 'Roy')
[Martha] could n't wait to get off the plane to see her mother, [Margaret]. [Martha] asked her father [Roy] for some money to go out this weekend.
[{('Margaret', 'grandfather', 'Roy'): [('Margaret', 'mother', 'Martha'), ('Martha', 'father', 'Roy')]}]