[Cheryl]'s uncle [Louis] was looking forward to visiting for the summer. [Louis] and his sister [Tracy] went to the movies to watch the newest superhero flick. [Dorothy] and her daughter [Rebecca] are entering the competition together. [Rebecca] is looking for a good gift for her sister [Cheryl].
('Dorothy', 'Tracy')
[Dorothy] and her daughter [Rebecca] are entering the competition together. [Rebecca] is looking for a good gift for her sister [Cheryl]. [Cheryl]'s uncle [Louis] was looking forward to visiting for the summer. [Louis] and his sister [Tracy] went to the movies to watch the newest superhero flick.
[{('Dorothy', 'sister', 'Tracy'): [('Dorothy', 'brother', 'Louis'), ('Louis', 'sister', 'Tracy')]}, {('Dorothy', 'brother', 'Louis'): [('Dorothy', 'daughter', 'Cheryl'), ('Cheryl', 'uncle', 'Louis')]}, {('Dorothy', 'daughter', 'Cheryl'): [('Dorothy', 'daughter', 'Rebecca'), ('Rebecca', 'sister', 'Cheryl')]}]
['daughter', 'sister', 'uncle', 'sister']