[Bettie] and her husband [Kevin] celebrated their anniversary last night. They went out to a nice restaurant to celebrate. [Antonio] played catch with his son [Aaron]. [Antonio]'s other son [Kevin] does n't play baseball. [Aaron] was so excited to give his mother, [Tracy], a really nice card for Mother's Day. He loves her very much.
('Bettie', 'Tracy')
[Bettie] and her husband [Kevin] celebrated their anniversary last night. They went out to a nice restaurant to celebrate. [Antonio] played catch with his son [Aaron]. [Antonio]'s other son [Kevin] does n't play baseball. [Aaron] was so excited to give his mother, [Tracy], a really nice card for Mother's Day. He loves her very much.
[{('Bettie', 'mother-in-law', 'Tracy'): [('Bettie', 'husband', 'Kevin'), ('Kevin', 'mother', 'Tracy')]}, {('Kevin', 'mother', 'Tracy'): [('Kevin', 'brother', 'Aaron'), ('Aaron', 'mother', 'Tracy')]}, {('Kevin', 'brother', 'Aaron'): [('Kevin', 'father', 'Antonio'), ('Antonio', 'son', 'Aaron')]}]
['husband', 'father', 'son', 'mother']