[Jacob] and his mother [Mary] went to the animal shelter to adopt a cat. [Jacob] and his brother [Herman] went to the arcade. They had a wonderful time.
('Herman', 'Mary')
[Jacob] and his brother [Herman] went to the arcade. They had a wonderful time. [Jacob] and his mother [Mary] went to the animal shelter to adopt a cat.
[{('Herman', 'mother', 'Mary'): [('Herman', 'brother', 'Jacob'), ('Jacob', 'mother', 'Mary')]}]