[Tracy] and her daughter [Laura] are entering the competition together. [Emma] is a woman with a sister named [Laura]. [Robert] met his brother [Antonio] for drinks after work. [Antonio] is proud to be married to his loving wife [Tracy].
('Robert', 'Emma')
[Robert] met his brother [Antonio] for drinks after work. [Antonio] is proud to be married to his loving wife [Tracy]. [Tracy] and her daughter [Laura] are entering the competition together. [Emma] is a woman with a sister named [Laura].
[{('Robert', 'niece', 'Emma'): [('Robert', 'brother', 'Antonio'), ('Antonio', 'daughter', 'Emma')]}, {('Antonio', 'daughter', 'Emma'): [('Antonio', 'daughter', 'Laura'), ('Laura', 'sister', 'Emma')]}, {('Antonio', 'daughter', 'Laura'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'daughter', 'Laura')]}]
['brother', 'wife', 'daughter', 'sister']