[Antonio] and his brother [Robert] played a round of golf. [Antonio]'s sister [Dorothy] watched in excitement. [Shantel] took her daughter [Dorothy] to see a movie on Friday. She let her pick the movie and she enjoyed it very much. [Mario]'s father, [Robert], bought him some ice cream.
('Mario', 'Shantel')
[Mario]'s father, [Robert], bought him some ice cream. [Antonio] and his brother [Robert] played a round of golf. [Antonio]'s sister [Dorothy] watched in excitement. [Shantel] took her daughter [Dorothy] to see a movie on Friday. She let her pick the movie and she enjoyed it very much.
[{('Mario', 'grandmother', 'Shantel'): [('Mario', 'father', 'Robert'), ('Robert', 'mother', 'Shantel')]}, {('Robert', 'mother', 'Shantel'): [('Robert', 'sister', 'Dorothy'), ('Dorothy', 'mother', 'Shantel')]}, {('Robert', 'sister', 'Dorothy'): [('Robert', 'brother', 'Antonio'), ('Antonio', 'sister', 'Dorothy')]}]
['father', 'brother', 'sister', 'mother']