[Dorothy] and her son [Roberto] went to the zoo and then out to dinner yesterday. [Beverly] is taking a trip to see her sister [Dorothy]. [James] went fishing with his grandfather [Harold]. They spent all day together. [Roberto] and his brother [James] both played soccer. [Roberto] was faster, but [James] had a better shot, so they complemented each other well.
('Beverly', 'Harold')
[Beverly] is taking a trip to see her sister [Dorothy]. [Dorothy] and her son [Roberto] went to the zoo and then out to dinner yesterday. [Roberto] and his brother [James] both played soccer. [Roberto] was faster, but [James] had a better shot, so they complemented each other well. [James] went fishing with his grandfather [Harold]. They spent all day together.
[{('Beverly', 'father', 'Harold'): [('Beverly', 'sister', 'Dorothy'), ('Dorothy', 'father', 'Harold')]}, {('Dorothy', 'father', 'Harold'): [('Dorothy', 'son', 'James'), ('James', 'grandfather', 'Harold')]}, {('Dorothy', 'son', 'James'): [('Dorothy', 'son', 'Roberto'), ('Roberto', 'brother', 'James')]}]
['sister', 'son', 'brother', 'grandfather']