[Gladys] was playing in the sandbox with her brother [Thomas]. [Thomas]'s mother [Constance] secretly put money away for him to go on a trip next fall.
('Gladys', 'Constance')
[Gladys] was playing in the sandbox with her brother [Thomas]. [Thomas]'s mother [Constance] secretly put money away for him to go on a trip next fall.
[{('Gladys', 'mother', 'Constance'): [('Gladys', 'brother', 'Thomas'), ('Thomas', 'mother', 'Constance')]}]