[Kevin], his wife, [Sandy], and her sister [Amalia], all drove to the hospital. [Amalia]'s father, [Matthew], was being released, and they wanted to be there to pick him up.
('Kevin', 'Matthew')
[Kevin], his wife, [Sandy], and her sister [Amalia], all drove to the hospital. [Amalia]'s father, [Matthew], was being released, and they wanted to be there to pick him up.
[{('Kevin', 'father-in-law', 'Matthew'): [('Kevin', 'wife', 'Sandy'), ('Sandy', 'father', 'Matthew')]}, {('Sandy', 'father', 'Matthew'): [('Sandy', 'sister', 'Amalia'), ('Amalia', 'father', 'Matthew')]}]