[Hugh] and his brother, [Joshua], went out to dinner. [Hugh] talked about his daughter, [Marie],'s play at school. [Francisco], [Marie]'s uncle, recently got into fishing.
('Joshua', 'Francisco')
[Hugh] and his brother, [Joshua], went out to dinner. [Hugh] talked about his daughter, [Marie],'s play at school. [Francisco], [Marie]'s uncle, recently got into fishing.
[{('Joshua', 'brother', 'Francisco'): [('Joshua', 'brother', 'Hugh'), ('Hugh', 'brother', 'Francisco')]}, {('Hugh', 'brother', 'Francisco'): [('Hugh', 'daughter', 'Marie'), ('Marie', 'uncle', 'Francisco')]}]
['brother', 'daughter', 'uncle']