[Latisha] went to the park with her grandson [Keith]. [Keith] played by himself until his brother [Tom] came to the park after school. [Dale] and his brother [Keith] went to the arcade. They had a wonderful time.
('Latisha', 'Dale')
[Latisha] went to the park with her grandson [Keith]. [Keith] played by himself until his brother [Tom] came to the park after school. [Dale] and his brother [Keith] went to the arcade. They had a wonderful time.
[{('Latisha', 'grandson', 'Dale'): [('Latisha', 'grandson', 'Keith'), ('Keith', 'brother', 'Dale')]}, {('Latisha', 'grandson', 'Keith'): [('Latisha', 'grandson', 'Tom'), ('Tom', 'brother', 'Keith')]}]