[Mario] and his father [Robert] played video games all day last Saturday. [Shantel] cooked her son [Antonio] his favorite meal yesterday because it was his birthday. [Pedro] wanted to get his brother [Antonio] a Christmas gift so he asked his mother what she thought he would like. She said he liked video games. [Robert] took his brother [Pedro] out to get drinks after a long work week.
('Mario', 'Shantel')
[Mario] and his father [Robert] played video games all day last Saturday. [Robert] took his brother [Pedro] out to get drinks after a long work week. [Pedro] wanted to get his brother [Antonio] a Christmas gift so he asked his mother what she thought he would like. She said he liked video games. [Shantel] cooked her son [Antonio] his favorite meal yesterday because it was his birthday.
[{('Mario', 'grandmother', 'Shantel'): [('Mario', 'father', 'Robert'), ('Robert', 'mother', 'Shantel')]}, {('Robert', 'mother', 'Shantel'): [('Robert', 'brother', 'Antonio'), ('Antonio', 'mother', 'Shantel')]}, {('Robert', 'brother', 'Antonio'): [('Robert', 'brother', 'Pedro'), ('Pedro', 'brother', 'Antonio')]}]
['father', 'brother', 'brother', 'mother']