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For this activity, I have a problem when it comes to giving response after the user key in the answer.. Even though the user has key in the right answer, it response still the answer is incorrect..After reviewing back the coding 2 or 3 times, I found nothing wrong with it..I never thought the solution is very simple..it is about "autokern" I never thought it could be one of the problem while running the applications..So I just unchecked the autokern box for both response and answer text box and run the applications. so now, my applications can give the right response according to the answer given by the user...

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