[Hugh] and his daughter [Gloria] had lunch. Then [Hugh] met [David] at the mall after she went shopping with her daughter [Marie].
('Marie', 'Gloria')
[Hugh] and his daughter [Gloria] had lunch. Then [Hugh] met [David] at the mall after she went shopping with her daughter [Marie].
[{('Marie', 'sister', 'Gloria'): [('Marie', 'mother', 'David'), ('David', 'daughter', 'Gloria')]}, {('David', 'daughter', 'Gloria'): [('David', 'husband', 'Hugh'), ('Hugh', 'daughter', 'Gloria')]}]
['mother', 'husband', 'daughter']