[Matthew]'s two daughters [Claudia] and [Amalia] are eating lunch with [Claudia]'s mother [Alma].
('Amalia', 'Alma')
[Matthew]'s two daughters [Claudia] and [Amalia] are eating lunch with [Claudia]'s mother [Alma].
[{('Amalia', 'mother', 'Alma'): [('Amalia', 'sister', 'Claudia'), ('Claudia', 'mother', 'Alma')]}, {('Amalia', 'sister', 'Claudia'): [('Amalia', 'father', 'Matthew'), ('Matthew', 'daughter', 'Claudia')]}]