[Joseph] loves his mother [Helen] very much. [Rigoberto] took his brother [Joseph] out to get drinks after a long work week. [Rigoberto] has been with his wife [Dorothea] since 1989.
('Dorothea', 'Helen')
[Rigoberto] has been with his wife [Dorothea] since 1989. [Rigoberto] took his brother [Joseph] out to get drinks after a long work week. [Joseph] loves his mother [Helen] very much.
[{('Dorothea', 'mother-in-law', 'Helen'): [('Dorothea', 'husband', 'Rigoberto'), ('Rigoberto', 'mother', 'Helen')]}, {('Rigoberto', 'mother', 'Helen'): [('Rigoberto', 'brother', 'Joseph'), ('Joseph', 'mother', 'Helen')]}]