['defens', 'enhance', 'EmptyParameter', 'meeting', 'since']
['defens', 'remedy-45.7', 'EmptyParameter', "Synset('joining.n.01')", 'since']
Its defenses have been further enhanced since their last meeting.
<PRP> defens have been further enhanced since <PRP> Synset('last.a.02') Synset('joining.n.01').