[Ronald] got into an argument with his brother [Allan] and pushed him to the floor. As he burst into tears [Ronald] ran to his mother [Marie] for comfort. [Louis] asked his son, [Harold], to help paint his house. [Allan]'s grandfather, [Harold], picked him up from school.
('Marie', 'Louis')
[Ronald] got into an argument with his brother [Allan] and pushed him to the floor. As he burst into tears [Ronald] ran to his mother [Marie] for comfort. [Allan]'s grandfather, [Harold], picked him up from school. [Louis] asked his son, [Harold], to help paint his house.
[{('Marie', 'brother', 'Louis'): [('Marie', 'father', 'Harold'), ('Harold', 'son', 'Louis')]}, {('Marie', 'father', 'Harold'): [('Marie', 'son', 'Allan'), ('Allan', 'grandfather', 'Harold')]}, {('Marie', 'son', 'Allan'): [('Marie', 'son', 'Ronald'), ('Ronald', 'brother', 'Allan')]}]
['son', 'brother', 'grandfather', 'son']