The hostess called out [James]'s name and [David] told her father their table was ready. [Marie] does n't like having to babysit her younger brother, [Bobby]. [Bobby] took a vacation from his job to visit his mother [David] across the country for Mother's Day.
('Marie', 'James')
[Marie] does n't like having to babysit her younger brother, [Bobby]. [Bobby] took a vacation from his job to visit his mother [David] across the country for Mother's Day. The hostess called out [James]'s name and [David] told her father their table was ready.
[{('Marie', 'grandfather', 'James'): [('Marie', 'brother', 'Bobby'), ('Bobby', 'grandfather', 'James')]}, {('Bobby', 'grandfather', 'James'): [('Bobby', 'mother', 'David'), ('David', 'father', 'James')]}]
['brother', 'mother', 'father']