[Travis]'s mother [Theresa] was present at the thanksgiving service. [Tony] and his brother [Travis] played at jacks.
('Tony', 'Theresa')
[Tony] and his brother [Travis] played at jacks. [Travis]'s mother [Theresa] was present at the thanksgiving service.
[{('Tony', 'mother', 'Theresa'): [('Tony', 'brother', 'Travis'), ('Travis', 'mother', 'Theresa')]}]
['brother', 'mother']