[Mary] went to the grocery store and took her son [Jacob] with her. Her husband [Roy] was watching a movie and did n't want to go with them.
('Roy', 'Jacob')
[Mary] went to the grocery store and took her son [Jacob] with her. Her husband [Roy] was watching a movie and did n't want to go with them.
[{('Roy', 'son', 'Jacob'): [('Roy', 'wife', 'Mary'), ('Mary', 'son', 'Jacob')]}]