[Lynn] and her sister [Cindy] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [Clarence] has a love-hate relation with his father [Joshua]. [Joshua] is a proud husband of one wife [Lynn]
('Cindy', 'Clarence')
[Lynn] and her sister [Cindy] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [Clarence] has a love-hate relation with his father [Joshua]. [Joshua] is a proud husband of one wife [Lynn]
[{('Cindy', 'nephew', 'Clarence'): [('Cindy', 'sister', 'Lynn'), ('Lynn', 'son', 'Clarence')]}, {('Lynn', 'son', 'Clarence'): [('Lynn', 'husband', 'Joshua'), ('Joshua', 'son', 'Clarence')]}]
['sister', 'husband', 'son']