[David] is playing in the park with her son [Michael]. [Francisco] is calling his sister [David] to let her know it's going to start to rain. [Michael]'s Aunt [Lena] decided to take him on a 7-day cruise!
('Francisco', 'Lena')
[David] is playing in the park with her son [Michael]. [Francisco] is calling his sister [David] to let her know it's going to start to rain. [Michael]'s Aunt [Lena] decided to take him on a 7-day cruise!
[{('Francisco', 'sister', 'Lena'): [('Francisco', 'sister', 'David'), ('David', 'sister', 'Lena')]}, {('David', 'sister', 'Lena'): [('David', 'son', 'Michael'), ('Michael', 'aunt', 'Lena')]}]
['sister', 'son', 'aunt']