[Beverly] and her brother [Pedro] were having a wonderful time at Disneyland. [Pedro]'s father, [Harold], needed help with the dishes. [Harold]'s daughter, [Tracy], volunteered to assist. [Tracy] took her son [Bernardo] to the mall to shop for school clothes.
('Beverly', 'Bernardo')
[Beverly] and her brother [Pedro] were having a wonderful time at Disneyland. [Pedro]'s father, [Harold], needed help with the dishes. [Harold]'s daughter, [Tracy], volunteered to assist. [Tracy] took her son [Bernardo] to the mall to shop for school clothes.
[{('Beverly', 'nephew', 'Bernardo'): [('Beverly', 'sister', 'Tracy'), ('Tracy', 'son', 'Bernardo')]}, {('Beverly', 'sister', 'Tracy'): [('Beverly', 'father', 'Harold'), ('Harold', 'daughter', 'Tracy')]}, {('Beverly', 'father', 'Harold'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'father', 'Harold')]}]
['brother', 'father', 'daughter', 'son']