[Pedro] asked his daughter, [Rebecca], and his son, [Jeffrey] if they were free to play chess. [Rebecca] was busy because she had to help her brother, [James], with homework. [Dorothy] loves to make cookies for her son. His name is [James].
('Dorothy', 'Jeffrey')
[Dorothy] loves to make cookies for her son. His name is [James]. [Pedro] asked his daughter, [Rebecca], and his son, [Jeffrey] if they were free to play chess. [Rebecca] was busy because she had to help her brother, [James], with homework.
[{('Dorothy', 'son', 'Jeffrey'): [('Dorothy', 'son', 'James'), ('James', 'brother', 'Jeffrey')]}, {('James', 'brother', 'Jeffrey'): [('James', 'sister', 'Rebecca'), ('Rebecca', 'brother', 'Jeffrey')]}, {('Rebecca', 'brother', 'Jeffrey'): [('Rebecca', 'father', 'Pedro'), ('Pedro', 'son', 'Jeffrey')]}]
['son', 'sister', 'father', 'son']