[Ernest] went to visit his father [Roy] who was in the hospital. [Ernest] had to call his sister [Martha] to tell her [Roy] was n't doing well.
('Martha', 'Roy')
[Ernest] went to visit his father [Roy] who was in the hospital. [Ernest] had to call his sister [Martha] to tell her [Roy] was n't doing well.
[{('Martha', 'father', 'Roy'): [('Martha', 'brother', 'Ernest'), ('Ernest', 'father', 'Roy')]}]