[Charles] asked his father, [Wesley], to help him with his math homework. [Wesley] could n't, because he was lousy at math himself. [Wesley] is a sibling of [Joshua]. [James] decided to give his son [Joshua], for his birthday, the latest version of Apple watch.
('Charles', 'James')
[Charles] asked his father, [Wesley], to help him with his math homework. [Wesley] could n't, because he was lousy at math himself. [Wesley] is a sibling of [Joshua]. [James] decided to give his son [Joshua], for his birthday, the latest version of Apple watch.
[{('Charles', 'grandfather', 'James'): [('Charles', 'father', 'Wesley'), ('Wesley', 'father', 'James')]}, {('Wesley', 'father', 'James'): [('Wesley', 'brother', 'Joshua'), ('Joshua', 'father', 'James')]}]
['father', 'brother', 'father']