[Latisha] is [Keith]'s grandmother [Keith] went to the park with his father, [Rich]. [Rich] likes to watch boxing with his brother. His name is [John].
('John', 'Latisha')
[Rich] likes to watch boxing with his brother. His name is [John]. [Keith] went to the park with his father, [Rich]. [Latisha] is [Keith]'s grandmother
[{('John', 'mother', 'Latisha'): [('John', 'brother', 'Rich'), ('Rich', 'mother', 'Latisha')]}, {('Rich', 'mother', 'Latisha'): [('Rich', 'son', 'Keith'), ('Keith', 'grandmother', 'Latisha')]}]