[Thomas] and his father [Joshua] played video games all day last Saturday. [Francisco] and his brother [Joshua] got into a fight over who was the better basketball player. [Lena] and her brother [Francisco] went to the basketball game and had a great time.
('Thomas', 'Lena')
[Thomas] and his father [Joshua] played video games all day last Saturday. [Francisco] and his brother [Joshua] got into a fight over who was the better basketball player. [Lena] and her brother [Francisco] went to the basketball game and had a great time.
[{('Thomas', 'aunt', 'Lena'): [('Thomas', 'father', 'Joshua'), ('Joshua', 'sister', 'Lena')]}, {('Joshua', 'sister', 'Lena'): [('Joshua', 'brother', 'Francisco'), ('Francisco', 'sister', 'Lena')]}]
['father', 'brother', 'sister']