[Tracy] threw a party for her son [Bernardo] for his birthday although [Tracy]'s daughter [Laura] was annoyed by all the noise and ruckus. [Shantel] decided she would like to invite her son [Antonio], as well as [Antonio]'s son [Bernardo], to the park for a picnic.
('Laura', 'Shantel')
[Tracy] threw a party for her son [Bernardo] for his birthday although [Tracy]'s daughter [Laura] was annoyed by all the noise and ruckus. [Shantel] decided she would like to invite her son [Antonio], as well as [Antonio]'s son [Bernardo], to the park for a picnic.
[{('Laura', 'grandmother', 'Shantel'): [('Laura', 'father', 'Antonio'), ('Antonio', 'mother', 'Shantel')]}, {('Laura', 'father', 'Antonio'): [('Laura', 'brother', 'Bernardo'), ('Bernardo', 'father', 'Antonio')]}, {('Laura', 'brother', 'Bernardo'): [('Laura', 'mother', 'Tracy'), ('Tracy', 'son', 'Bernardo')]}]
['mother', 'son', 'father', 'mother']