[John] asked his father [Robert] if he could borrow some money. [Robert] is helping his son study. His name is [Allan]. [Allan]'s uncle [Louis] used to be the drummer for Toto. [Marie] has a son named [John].
('Marie', 'Louis')
[Marie] has a son named [John]. [John] asked his father [Robert] if he could borrow some money. [Robert] is helping his son study. His name is [Allan]. [Allan]'s uncle [Louis] used to be the drummer for Toto.
[{('Marie', 'brother', 'Louis'): [('Marie', 'son', 'Allan'), ('Allan', 'uncle', 'Louis')]}, {('Marie', 'son', 'Allan'): [('Marie', 'son', 'John'), ('John', 'brother', 'Allan')]}, {('John', 'brother', 'Allan'): [('John', 'father', 'Robert'), ('Robert', 'son', 'Allan')]}]
['son', 'father', 'son', 'uncle']