[Jeffrey] asked his father [Pedro] if he could have a video game and he said okay. [Pedro] and his son [Jeffrey] went to the skating rink. [Jeffrey] is always excited when his Uncle [Louis] visits him. [Rebecca] was playing in the sandbox with her brother [Jeffrey].
('Rebecca', 'Louis')
[Rebecca] was playing in the sandbox with her brother [Jeffrey]. [Pedro] and his son [Jeffrey] went to the skating rink. [Jeffrey] asked his father [Pedro] if he could have a video game and he said okay. [Jeffrey] is always excited when his Uncle [Louis] visits him.
[{('Rebecca', 'uncle', 'Louis'): [('Rebecca', 'father', 'Pedro'), ('Pedro', 'brother', 'Louis')]}, {('Rebecca', 'father', 'Pedro'): [('Rebecca', 'brother', 'Jeffrey'), ('Jeffrey', 'father', 'Pedro')]}, {('Pedro', 'brother', 'Louis'): [('Pedro', 'son', 'Jeffrey'), ('Jeffrey', 'uncle', 'Louis')]}]
['brother', 'father', 'son', 'uncle']