[Beverly]'s son, [Samuel], was busy with school activities and forgot to meet his sister. [Dorothy] and her daughter [Cheryl] went to church. They were both very religious. [Dorothy] and [Robert] had a picnic at the park. They had sandwiches and salad. [Beverly] went to the arcade with her niece, [Cheryl]. They had lots of fun playing together.
('Robert', 'Samuel')
[Dorothy] and [Robert] had a picnic at the park. They had sandwiches and salad. [Dorothy] and her daughter [Cheryl] went to church. They were both very religious. [Beverly] went to the arcade with her niece, [Cheryl]. They had lots of fun playing together. [Beverly]'s son, [Samuel], was busy with school activities and forgot to meet his sister.
[{('Robert', 'nephew', 'Samuel'): [('Robert', 'sister', 'Beverly'), ('Beverly', 'son', 'Samuel')]}, {('Robert', 'sister', 'Beverly'): [('Robert', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Beverly')]}, {('Dorothy', 'sister', 'Beverly'): [('Dorothy', 'daughter', 'Cheryl'), ('Cheryl', 'aunt', 'Beverly')]}]
['sister', 'daughter', 'aunt', 'son']