[Thomas] surprised his wife, [Felicia], with a party to celebrate their anniversary. [Felicia] was playing in the sandbox with her brother [Clarence]. [Clarence] took a vacation from his job to visit his mother [Lynn] across the country for Mother's Day.
('Thomas', 'Lynn')
[Thomas] surprised his wife, [Felicia], with a party to celebrate their anniversary. [Felicia] was playing in the sandbox with her brother [Clarence]. [Clarence] took a vacation from his job to visit his mother [Lynn] across the country for Mother's Day.
[{('Thomas', 'mother-in-law', 'Lynn'): [('Thomas', 'wife', 'Felicia'), ('Felicia', 'mother', 'Lynn')]}, {('Felicia', 'mother', 'Lynn'): [('Felicia', 'brother', 'Clarence'), ('Clarence', 'mother', 'Lynn')]}]
['wife', 'brother', 'mother']