[Hugh] took his wife [David] out on a date last weekend. [David] wanted her son [Michael] to pick up her medicine at the local pharmacy. [Michael] was working so he asked his brother [Johnson] if would do it and he said yes.
('Hugh', 'Johnson')
[Hugh] took his wife [David] out on a date last weekend. [David] wanted her son [Michael] to pick up her medicine at the local pharmacy. [Michael] was working so he asked his brother [Johnson] if would do it and he said yes.
[{('Hugh', 'son', 'Johnson'): [('Hugh', 'wife', 'David'), ('David', 'son', 'Johnson')]}, {('David', 'son', 'Johnson'): [('David', 'son', 'Michael'), ('Michael', 'brother', 'Johnson')]}]
['wife', 'son', 'brother']