[Irvin] has a brother who is younger than him. The brother has a sister whose name is [Tina]. [Mildred] and [Tina] are siblings. [Mildred] went to [Wesley], her father.
('Irvin', 'Wesley')
[Irvin] has a brother who is younger than him. The brother has a sister whose name is [Tina]. [Mildred] and [Tina] are siblings. [Mildred] went to [Wesley], her father.
[{('Irvin', 'father', 'Wesley'): [('Irvin', 'sister', 'Mildred'), ('Mildred', 'father', 'Wesley')]}, {('Irvin', 'sister', 'Mildred'): [('Irvin', 'sister', 'Tina'), ('Tina', 'sister', 'Mildred')]}]
['sister', 'sister', 'father']