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 ok first of all there is no such thing as sub EVENT_ITEM_2
 there can only be ONE of any special subs.
 
 2nd the say check will not work from inside sub EVENT_ITEM or any other sub other than EVENT_SAY
 
 what you need for npc to remember you is to use a global variable.
 
 there is an example in details in the wiki on how to use it.
 i don't have a sample handy atm
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