[Francisco]'s son is sick today so his mother, [Cindy], will stay home with him. [Francisco] asked his son, [Wayne], to go grocery shopping for him. [Wayne] was busy and sent his wife, [Anna], instead.
('Cindy', 'Anna')
[Francisco]'s son is sick today so his mother, [Cindy], will stay home with him. [Francisco] asked his son, [Wayne], to go grocery shopping for him. [Wayne] was busy and sent his wife, [Anna], instead.
[{('Cindy', 'daughter-in-law', 'Anna'): [('Cindy', 'son', 'Wayne'), ('Wayne', 'wife', 'Anna')]}, {('Cindy', 'son', 'Wayne'): [('Cindy', 'husband', 'Francisco'), ('Francisco', 'son', 'Wayne')]}]
['husband', 'son', 'wife']