['Sato', 'confirm', 'presence', 'EmptyParameter', 'EmptyParameter']
['<PERSON>4', 'indicate-78', "Synset('group_action.n.01')", 'EmptyParameter', 'EmptyParameter']
On the bridge, Sato confirms the presence of the intruders.
on the bridge, <PERSON>4 confirms the Synset('group_action.n.01') of the Synset('traveler.n.01').