[Marie] has been waiting around all day for her son, [Allan]. [Allan]'s brother, [Mario], brought the car over to help him. [Angelica] took her brother, [Ronald], to visit with his mother, [Marie].
('Angelica', 'Mario')
[Angelica] took her brother, [Ronald], to visit with his mother, [Marie]. [Marie] has been waiting around all day for her son, [Allan]. [Allan]'s brother, [Mario], brought the car over to help him.
[{('Angelica', 'brother', 'Mario'): [('Angelica', 'mother', 'Marie'), ('Marie', 'son', 'Mario')]}, {('Marie', 'son', 'Mario'): [('Marie', 'son', 'Allan'), ('Allan', 'brother', 'Mario')]}, {('Angelica', 'mother', 'Marie'): [('Angelica', 'brother', 'Ronald'), ('Ronald', 'mother', 'Marie')]}]
['brother', 'mother', 'son', 'brother']