[Wesley] took his son [Charles] to school this morning because he missed the bus. [Charles] asked his mother [Lena] if her mother [Frances] could take him to the movies tonight?
('Wesley', 'Frances')
[Wesley] took his son [Charles] to school this morning because he missed the bus. [Charles] asked his mother [Lena] if her mother [Frances] could take him to the movies tonight?
[{('Wesley', 'mother', 'Frances'): [('Wesley', 'son', 'Charles'), ('Charles', 'grandmother', 'Frances')]}, {('Charles', 'grandmother', 'Frances'): [('Charles', 'mother', 'Lena'), ('Lena', 'mother', 'Frances')]}]
['son', 'mother', 'mother']