[Matthew] is one of [Helen]'s brothers. They have lots of fun together. [Bret] took a vacation from his job to visit his mother [Katherine] across the country for Mother's Day. [Helen] took her sister [Katherine] out for dinner to celebrate her birthday.
('Bret', 'Matthew')
[Bret] took a vacation from his job to visit his mother [Katherine] across the country for Mother's Day. [Helen] took her sister [Katherine] out for dinner to celebrate her birthday. [Matthew] is one of [Helen]'s brothers. They have lots of fun together.
[{('Bret', 'uncle', 'Matthew'): [('Bret', 'mother', 'Katherine'), ('Katherine', 'brother', 'Matthew')]}, {('Katherine', 'brother', 'Matthew'): [('Katherine', 'sister', 'Helen'), ('Helen', 'brother', 'Matthew')]}]