[Mildred] is taking a trip to see her sister [Tina]. [Irvin] is a very hot guy, but his sister [Tina] is even more attractive. [Frances] was glad to see her grandson, [Irvin].
('Mildred', 'Frances')
[Mildred] is taking a trip to see her sister [Tina]. [Irvin] is a very hot guy, but his sister [Tina] is even more attractive. [Frances] was glad to see her grandson, [Irvin].
[{('Mildred', 'grandmother', 'Frances'): [('Mildred', 'brother', 'Irvin'), ('Irvin', 'grandmother', 'Frances')]}, {('Mildred', 'brother', 'Irvin'): [('Mildred', 'sister', 'Tina'), ('Tina', 'brother', 'Irvin')]}]
['sister', 'brother', 'grandmother']