['prisoner', 'overpower', 'guard', 'duty', 'on']
["Synset('person.n.01')", 'overpower', "Synset('duty.n.02')", "Synset('group_action.n.01')", 'on']
All of the prisoners -- except Iko -- overpower the few guards on duty and escape.
all of the Synset('person.n.01') -- except <PERSON>3 -- overpower the Synset('few.a.01') Synset('duty.n.02') on Synset('group_action.n.01') and Synset('flow.n.01').