[Lynn] took her son [Thomas] to school this morning because he missed the bus. [Thomas] asked his father [Joshua] if they could go to the library. [Joshua]'s father [James] was there already, waiting for them.
('Lynn', 'James')
[Lynn] took her son [Thomas] to school this morning because he missed the bus. [Thomas] asked his father [Joshua] if they could go to the library. [Joshua]'s father [James] was there already, waiting for them.
[{('Lynn', 'father', 'James'): [('Lynn', 'son', 'Thomas'), ('Thomas', 'grandfather', 'James')]}, {('Thomas', 'grandfather', 'James'): [('Thomas', 'father', 'Joshua'), ('Joshua', 'father', 'James')]}]
['son', 'father', 'father']