[Roy] loves buying her granddaughter, [Regina], new clothes. [Regina] went on a vacation with her brother [Thomas].
('Roy', 'Thomas')
[Roy] loves buying her granddaughter, [Regina], new clothes. [Regina] went on a vacation with her brother [Thomas].
[{('Roy', 'grandson', 'Thomas'): [('Roy', 'granddaughter', 'Regina'), ('Regina', 'brother', 'Thomas')]}]