[Jennifer] gave her grandfather, [Clarence], a hug when she saw him. [Jennifer] was sewing a sweater for her sister [Natalia].
('Natalia', 'Clarence')
[Jennifer] was sewing a sweater for her sister [Natalia]. [Jennifer] gave her grandfather, [Clarence], a hug when she saw him.
[{('Natalia', 'grandfather', 'Clarence'): [('Natalia', 'sister', 'Jennifer'), ('Jennifer', 'grandfather', 'Clarence')]}]
['sister', 'grandfather']