[Francisco] took his son [Leonard] and his daughter [Natasha] to the zoo over the weekend. They ate lunch while they were there. [Leonard] and his brother [Wayne] went out for lunch. [Leonard] had a burger, and [Wayne] had a chicken sandwich.
('Natasha', 'Wayne')
[Francisco] took his son [Leonard] and his daughter [Natasha] to the zoo over the weekend. They ate lunch while they were there. [Leonard] and his brother [Wayne] went out for lunch. [Leonard] had a burger, and [Wayne] had a chicken sandwich.
[{('Natasha', 'brother', 'Wayne'): [('Natasha', 'father', 'Francisco'), ('Francisco', 'son', 'Wayne')]}, {('Francisco', 'son', 'Wayne'): [('Francisco', 'son', 'Leonard'), ('Leonard', 'brother', 'Wayne')]}]
['father', 'son', 'brother']