[Brent] was nervous before the play, but when he looked out and saw his grandmother [Mary] in the crowd he felt much more confident. [Laura] does n't like having to babysit her younger brother, [Brent].
('Laura', 'Mary')
[Laura] does n't like having to babysit her younger brother, [Brent]. [Brent] was nervous before the play, but when he looked out and saw his grandmother [Mary] in the crowd he felt much more confident.
[{('Laura', 'grandmother', 'Mary'): [('Laura', 'brother', 'Brent'), ('Brent', 'grandmother', 'Mary')]}]