[Ann] is one of my favorite students. She is the younger sister of [Franklin], who I taught last year, [Ann] took her father [John] out for his birthday. They had a wonderful time.
('Franklin', 'John')
[Ann] is one of my favorite students. She is the younger sister of [Franklin], who I taught last year, [Ann] took her father [John] out for his birthday. They had a wonderful time.
[{('Franklin', 'father', 'John'): [('Franklin', 'sister', 'Ann'), ('Ann', 'father', 'John')]}]