[Dolores] took her brother [Clarence] to work Monday because his car was in the shop getting a tune up. [Joseph]'s grandfather [James] took him and his sister [Dolores] to the beach to play in the tide pools.
('Clarence', 'James')
[Dolores] took her brother [Clarence] to work Monday because his car was in the shop getting a tune up. [Joseph]'s grandfather [James] took him and his sister [Dolores] to the beach to play in the tide pools.
[{('Clarence', 'grandfather', 'James'): [('Clarence', 'sister', 'Dolores'), ('Dolores', 'grandfather', 'James')]}, {('Dolores', 'grandfather', 'James'): [('Dolores', 'brother', 'Joseph'), ('Joseph', 'grandfather', 'James')]}]
['sister', 'brother', 'grandfather']