[Clarence] and his father [Joshua] went to the golf course in town on Saturday and had a great time. [James] and his wife [Frances] are planning a vacation. [James]'s son [Joshua] is so excited.
('Frances', 'Clarence')
[James] and his wife [Frances] are planning a vacation. [James]'s son [Joshua] is so excited. [Clarence] and his father [Joshua] went to the golf course in town on Saturday and had a great time.
[{('Frances', 'grandson', 'Clarence'): [('Frances', 'husband', 'James'), ('James', 'grandson', 'Clarence')]}, {('James', 'grandson', 'Clarence'): [('James', 'son', 'Joshua'), ('Joshua', 'son', 'Clarence')]}]
['husband', 'son', 'son']