[Clarence] took his granddaughter [April] to the state fair. Even though his knees slowed him down a bit, [April] was happy that grandpa [Clarence] was able to come with her. [April] is one of my favorite students. She is the younger sister of [Jerry], who I taught last year,
('Jerry', 'Clarence')
[April] is one of my favorite students. She is the younger sister of [Jerry], who I taught last year, [Clarence] took his granddaughter [April] to the state fair. Even though his knees slowed him down a bit, [April] was happy that grandpa [Clarence] was able to come with her.
[{('Jerry', 'grandfather', 'Clarence'): [('Jerry', 'sister', 'April'), ('April', 'grandfather', 'Clarence')]}]
['sister', 'grandfather']