[Frances] went to visit her daughter, [Lena]. While there she spent some time with [Lena]'s son [Irvin]. [Irvin] and his father [Wesley] went jogging by the lake.
('Wesley', 'Frances')
[Irvin] and his father [Wesley] went jogging by the lake. [Frances] went to visit her daughter, [Lena]. While there she spent some time with [Lena]'s son [Irvin].
[{('Wesley', 'mother', 'Frances'): [('Wesley', 'son', 'Irvin'), ('Irvin', 'grandmother', 'Frances')]}, {('Irvin', 'grandmother', 'Frances'): [('Irvin', 'mother', 'Lena'), ('Lena', 'mother', 'Frances')]}]
['son', 'mother', 'mother']