[Donna] went out for pizza with her father [Rich]. [Rich] and his brother [Matthew] went to the football game together. [Matthew] took his brother [John] out to get drinks after a long work week.
('Donna', 'John')
[Donna] went out for pizza with her father [Rich]. [Rich] and his brother [Matthew] went to the football game together. [Matthew] took his brother [John] out to get drinks after a long work week.
[{('Donna', 'uncle', 'John'): [('Donna', 'father', 'Rich'), ('Rich', 'brother', 'John')]}, {('Rich', 'brother', 'John'): [('Rich', 'brother', 'Matthew'), ('Matthew', 'brother', 'John')]}]