[John] was having a cookout one day, and invited his sister [Michelle]. [Michelle]'s brother [Matthew] drove them to the cookout. [Scott] was so proud that his son [Matthew] won the science fair!
('Scott', 'John')
[Scott] was so proud that his son [Matthew] won the science fair! [John] was having a cookout one day, and invited his sister [Michelle]. [Michelle]'s brother [Matthew] drove them to the cookout.
[{('Scott', 'son', 'John'): [('Scott', 'son', 'Matthew'), ('Matthew', 'brother', 'John')]}, {('Matthew', 'brother', 'John'): [('Matthew', 'sister', 'Michelle'), ('Michelle', 'brother', 'John')]}]