['shield', 'remain', 'EmptyParameter', 'place', 'in']
['<OBJECT>1', 'exist-47.1', 'EmptyParameter', "Synset('duty.n.02')", 'in']
The shields protecting the facility remains in place.
the <OBJECT>1 protecting the Synset('work.n.01') remains in Synset('duty.n.02').