[Ronald] was delayed picking up his sister, [Angelica], from class. Thankfully, [Marie]'s mom, [Angelica], was already there. [Allan] wanted to play at the park so his mother got her sister, [Dorothy], to take him. [Marie] and her son [Allan] went to the zoo and then out to dinner yesterday.
('Ronald', 'Dorothy')
[Ronald] was delayed picking up his sister, [Angelica], from class. Thankfully, [Marie]'s mom, [Angelica], was already there. [Marie] and her son [Allan] went to the zoo and then out to dinner yesterday. [Allan] wanted to play at the park so his mother got her sister, [Dorothy], to take him.
[{('Ronald', 'aunt', 'Dorothy'): [('Ronald', 'mother', 'Marie'), ('Marie', 'sister', 'Dorothy')]}, {('Marie', 'sister', 'Dorothy'): [('Marie', 'son', 'Allan'), ('Allan', 'aunt', 'Dorothy')]}, {('Ronald', 'mother', 'Marie'): [('Ronald', 'sister', 'Angelica'), ('Angelica', 'mother', 'Marie')]}]
['sister', 'mother', 'son', 'aunt']