[April] is taking her grandfather [Clarence] shopping. [George] loves his daughter [April].
('George', 'Clarence')
[George] loves his daughter [April]. [April] is taking her grandfather [Clarence] shopping.
[{('George', 'father', 'Clarence'): [('George', 'daughter', 'April'), ('April', 'grandfather', 'Clarence')]}]
['daughter', 'grandfather']