[Robert] was trying to call his wife [Marie], but she did n't pick up. It turns out she was busy having lunch with her son [Ronald]. [Marie] just dropped off her son, [Ronald], at soccer practice. Now she was on her to way to pick up her other son, [Allan], from basketball practice.
('Robert', 'Allan')
[Robert] was trying to call his wife [Marie], but she did n't pick up. It turns out she was busy having lunch with her son [Ronald]. [Marie] just dropped off her son, [Ronald], at soccer practice. Now she was on her to way to pick up her other son, [Allan], from basketball practice.
[{('Robert', 'son', 'Allan'): [('Robert', 'son', 'Ronald'), ('Ronald', 'brother', 'Allan')]}, {('Robert', 'son', 'Ronald'): [('Robert', 'wife', 'Marie'), ('Marie', 'son', 'Ronald')]}, {('Ronald', 'brother', 'Allan'): [('Ronald', 'mother', 'Marie'), ('Marie', 'son', 'Allan')]}]
['wife', 'son', 'mother', 'son']