[Thomas] wanted to play at the park so his mother got her sister, [Martha], to take him. [Ernest] was delighted to watch his son [Thomas] steal third base in the Championship baseball game.
('Ernest', 'Martha')
[Ernest] was delighted to watch his son [Thomas] steal third base in the Championship baseball game. [Thomas] wanted to play at the park so his mother got her sister, [Martha], to take him.
[{('Ernest', 'sister', 'Martha'): [('Ernest', 'son', 'Thomas'), ('Thomas', 'aunt', 'Martha')]}]