['presence', 'seem', 'indispensable', 'EmptyParameter', 'EmptyParameter']
["Synset('group_action.n.01')", 'seem-109-1-1-1', "Synset('indispensable.a.01')", 'EmptyParameter', 'EmptyParameter']
Archer's presence during these negotiations therefore, seems indispensable.
Archer's Synset('group_action.n.01') during these Synset('act.n.02') therefore, seems Synset('indispensable.a.01').