[Robert] and his son [Ronald] were playing football in the backyard. [Marie], [Robert]'s wife, called out for them to be careful. [Mario] has a grandmother named [Shantel]. [Shantel] grandson's has a brother named [Ronald].
('Marie', 'Shantel')
[Robert] and his son [Ronald] were playing football in the backyard. [Marie], [Robert]'s wife, called out for them to be careful. [Mario] has a grandmother named [Shantel]. [Shantel] grandson's has a brother named [Ronald].
[{('Marie', 'mother-in-law', 'Shantel'): [('Marie', 'husband', 'Robert'), ('Robert', 'mother', 'Shantel')]}, {('Robert', 'mother', 'Shantel'): [('Robert', 'son', 'Mario'), ('Mario', 'grandmother', 'Shantel')]}, {('Robert', 'son', 'Mario'): [('Robert', 'son', 'Ronald'), ('Ronald', 'brother', 'Mario')]}]
['husband', 'son', 'brother', 'grandmother']