[Joshua] treated his brother [Wesley] to lunch. [Wesley] brought along his daughter, [Pamela]. [Joshua] sent flowers to his mother [Frances] for Mother's Day.
('Pamela', 'Frances')
[Joshua] treated his brother [Wesley] to lunch. [Wesley] brought along his daughter, [Pamela]. [Joshua] sent flowers to his mother [Frances] for Mother's Day.
[{('Pamela', 'grandmother', 'Frances'): [('Pamela', 'father', 'Wesley'), ('Wesley', 'mother', 'Frances')]}, {('Wesley', 'mother', 'Frances'): [('Wesley', 'brother', 'Joshua'), ('Joshua', 'mother', 'Frances')]}]
['father', 'brother', 'mother']