[Jennifer] has a great relationship with her father [Nicholas]. [Jennifer] is one of my favorite students. She is the younger sister of [Milton], who I taught last year,
('Milton', 'Nicholas')
[Jennifer] is one of my favorite students. She is the younger sister of [Milton], who I taught last year, [Jennifer] has a great relationship with her father [Nicholas].
[{('Milton', 'father', 'Nicholas'): [('Milton', 'sister', 'Jennifer'), ('Jennifer', 'father', 'Nicholas')]}]
['sister', 'father']