[Matthew] is a great uncle of [Cheryl]. [Cheryl] wanted to go fishing with her dad, [Rich]. [Rich] invited his father, [Scott], along as well.
('Scott', 'Matthew')
[Cheryl] wanted to go fishing with her dad, [Rich]. [Rich] invited his father, [Scott], along as well. [Matthew] is a great uncle of [Cheryl].
[{('Scott', 'son', 'Matthew'): [('Scott', 'son', 'Rich'), ('Rich', 'brother', 'Matthew')]}, {('Rich', 'brother', 'Matthew'): [('Rich', 'daughter', 'Cheryl'), ('Cheryl', 'uncle', 'Matthew')]}]