[Ronald] asked his father [Robert] if he could stay home from school because he was sick. [Robert] checked on his son [Mario] to see if he had a fever. [Shantel] wrote a nice letter to her grandson [Mario]. [Angelica] and [Ronald] had a picnic at the park. They had sandwiches and salad.
('Shantel', 'Angelica')
[Shantel] wrote a nice letter to her grandson [Mario]. [Ronald] asked his father [Robert] if he could stay home from school because he was sick. [Robert] checked on his son [Mario] to see if he had a fever. [Angelica] and [Ronald] had a picnic at the park. They had sandwiches and salad.
[{('Shantel', 'granddaughter', 'Angelica'): [('Shantel', 'grandson', 'Mario'), ('Mario', 'sister', 'Angelica')]}, {('Mario', 'sister', 'Angelica'): [('Mario', 'father', 'Robert'), ('Robert', 'daughter', 'Angelica')]}, {('Robert', 'daughter', 'Angelica'): [('Robert', 'son', 'Ronald'), ('Ronald', 'sister', 'Angelica')]}]
['grandson', 'father', 'son', 'sister']