[Marvin] took his son [Mark] to see his sister [Dawn] [Mark] went to visit his grandmother, [Emily], in Europe.
[Marvin] took his son [Mark] to see his sister [Dawn] [Mark] went to visit his grandmother, [Emily], in Europe.
[{('Dawn', 'mother', 'Emily'): [('Dawn', 'brother', 'Marvin'), ('Marvin', 'mother', 'Emily')]}, {('Marvin', 'mother', 'Emily'): [('Marvin', 'son', 'Mark'), ('Mark', 'grandmother', 'Emily')]}]