[Lynn]'s sister, [David], recently started acting. [Michael] took a vacation from his job to visit his mother [David] across the country for Mother's Day. [Hugh] was happy that his son [Michael] was doing well in college.
('Hugh', 'Lynn')
[Hugh] was happy that his son [Michael] was doing well in college. [Michael] took a vacation from his job to visit his mother [David] across the country for Mother's Day. [Lynn]'s sister, [David], recently started acting.
[{('Hugh', 'sister', 'Lynn'): [('Hugh', 'son', 'Michael'), ('Michael', 'aunt', 'Lynn')]}, {('Michael', 'aunt', 'Lynn'): [('Michael', 'mother', 'David'), ('David', 'sister', 'Lynn')]}]
['son', 'mother', 'sister']