[Wayne] was so excited to introduce his new girlfriend to his mother, [Cindy]. [Francisco]'s son, [Wayne], loves trains. [Francisco]'s sister, [David], got him a nice model trail set for his birthday.
('Cindy', 'David')
[Wayne] was so excited to introduce his new girlfriend to his mother, [Cindy]. [Francisco]'s son, [Wayne], loves trains. [Francisco]'s sister, [David], got him a nice model trail set for his birthday.
[{('Cindy', 'sister', 'David'): [('Cindy', 'son', 'Wayne'), ('Wayne', 'aunt', 'David')]}, {('Wayne', 'aunt', 'David'): [('Wayne', 'father', 'Francisco'), ('Francisco', 'sister', 'David')]}]
['son', 'father', 'sister']