[James] 'son [Hugh] could not believe that his father bought him a coffee machine for his birthday. [Joshua] decided to take his son, [Don], on a ski vacation. [James] is a benevolent grandfather, and [Don] is his young grandson.
('Joshua', 'Hugh')
[Joshua] decided to take his son, [Don], on a ski vacation. [James] is a benevolent grandfather, and [Don] is his young grandson. [James] 'son [Hugh] could not believe that his father bought him a coffee machine for his birthday.
[{('Joshua', 'brother', 'Hugh'): [('Joshua', 'father', 'James'), ('James', 'son', 'Hugh')]}, {('Joshua', 'father', 'James'): [('Joshua', 'son', 'Don'), ('Don', 'grandfather', 'James')]}]
['son', 'grandfather', 'son']