[Heidi] and her husband [Jeff] went to a resort for the weekend, and had a wonderful time. [Jeff] was so excited to give his mother, [Nancy], a really nice card for Mother's Day. He loves her very much.
('Heidi', 'Nancy')
[Heidi] and her husband [Jeff] went to a resort for the weekend, and had a wonderful time. [Jeff] was so excited to give his mother, [Nancy], a really nice card for Mother's Day. He loves her very much.
[{('Heidi', 'mother-in-law', 'Nancy'): [('Heidi', 'husband', 'Jeff'), ('Jeff', 'mother', 'Nancy')]}]
['husband', 'mother']