[Cheryl] did not go to her brother [Jeffrey]'s baseball game because her and her mother, [Dorothy] were at the store. [Jeffrey] was invited to his Aunt [Beverly]'s wedding next Spring. [Dorothy] could n't wait to get off the plane to see her mother, [Rebecca].
('Rebecca', 'Beverly')
[Dorothy] could n't wait to get off the plane to see her mother, [Rebecca]. [Cheryl] did not go to her brother [Jeffrey]'s baseball game because her and her mother, [Dorothy] were at the store. [Jeffrey] was invited to his Aunt [Beverly]'s wedding next Spring.
[{('Rebecca', 'aunt', 'Beverly'): [('Rebecca', 'mother', 'Dorothy'), ('Dorothy', 'sister', 'Beverly')]}, {('Dorothy', 'sister', 'Beverly'): [('Dorothy', 'son', 'Jeffrey'), ('Jeffrey', 'aunt', 'Beverly')]}, {('Dorothy', 'son', 'Jeffrey'): [('Dorothy', 'daughter', 'Cheryl'), ('Cheryl', 'brother', 'Jeffrey')]}]
['mother', 'daughter', 'brother', 'aunt']