[Hugh], who is [Charles]'s uncle, got [Charles] the video game he wanted for his birthday. [Wesley] asked his son, [Charles], and his daughter, [Martha], to help him fix the family boat.
('Martha', 'Hugh')
[Wesley] asked his son, [Charles], and his daughter, [Martha], to help him fix the family boat. [Hugh], who is [Charles]'s uncle, got [Charles] the video game he wanted for his birthday.
[{('Martha', 'uncle', 'Hugh'): [('Martha', 'father', 'Wesley'), ('Wesley', 'brother', 'Hugh')]}, {('Wesley', 'brother', 'Hugh'): [('Wesley', 'son', 'Charles'), ('Charles', 'uncle', 'Hugh')]}]
['father', 'son', 'uncle']