User: Please carefully read the following conversation and answer: Is the very last utterance from the speaker a positive, neutral, or negative feedback? Often negative feedbacks include corrections and keywords like no, not, undo, don't, with generally negative sentiment, while positive feedbacks often include good, yes, correct, okay, or simply move on to the next stage. 
(start of the conversation)
	Listener: deselect E select J 
	Speaker: No, that shape is flat on the bottom. This shape has a sloped bottom. 
	Listener: deselect J select I 
	Speaker: NO, that shape is also flat on the bottom. The correct shape is NOT flat on the bottom. 
(end of the conversation)
Answer a single word, Positive, Neutral or Negative. 
Assistant: Negative.