[Nicholas]'s daughter, [Emily], went to the city this weekend. She spent her time there visiting her grandfather, [Clarence], and had a wonderful time with him.
('Nicholas', 'Clarence')
[Nicholas]'s daughter, [Emily], went to the city this weekend. She spent her time there visiting her grandfather, [Clarence], and had a wonderful time with him.
[{('Nicholas', 'father', 'Clarence'): [('Nicholas', 'daughter', 'Emily'), ('Emily', 'grandfather', 'Clarence')]}]
['daughter', 'grandfather']