[Matthew]'s sister, [Katherine], participated in the dance contest. [Rich] is a very hot guy, but his sister [Katherine] is even more attractive. [Amalia] was shopping for a new jacket with her father [Matthew].
('Amalia', 'Rich')
[Amalia] was shopping for a new jacket with her father [Matthew]. [Matthew]'s sister, [Katherine], participated in the dance contest. [Rich] is a very hot guy, but his sister [Katherine] is even more attractive.
[{('Amalia', 'uncle', 'Rich'): [('Amalia', 'father', 'Matthew'), ('Matthew', 'brother', 'Rich')]}, {('Matthew', 'brother', 'Rich'): [('Matthew', 'sister', 'Katherine'), ('Katherine', 'brother', 'Rich')]}]