[Allan] and his brother [Bret] played at jacks. [Deborah] took her father [John] out for his birthday. They had a wonderful time. [Bret]'s sister, [Deborah], was so happy to have him home. He was home from college.
('Allan', 'John')
[Allan] and his brother [Bret] played at jacks. [Bret]'s sister, [Deborah], was so happy to have him home. He was home from college. [Deborah] took her father [John] out for his birthday. They had a wonderful time.
[{('Allan', 'father', 'John'): [('Allan', 'brother', 'Bret'), ('Bret', 'father', 'John')]}, {('Bret', 'father', 'John'): [('Bret', 'sister', 'Deborah'), ('Deborah', 'father', 'John')]}]