[James]'s wife [Helen] and brother [Rich] went to the beach with him; [Rich]'s mother, [Latisha], came along and prepared dinner.
('Helen', 'Latisha')
[James]'s wife [Helen] and brother [Rich] went to the beach with him; [Rich]'s mother, [Latisha], came along and prepared dinner.
[{('Helen', 'mother-in-law', 'Latisha'): [('Helen', 'husband', 'James'), ('James', 'mother', 'Latisha')]}, {('James', 'mother', 'Latisha'): [('James', 'brother', 'Rich'), ('Rich', 'mother', 'Latisha')]}]