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: select B 
	Speaker: Remove the shape you selected immediately before the newest one. 
	Listener: deselect B 
	Speaker: You did the reverse of what I wanted. Bring back the one you just removed and delete the one that was left before it. 
(end of the conversation)
Answer a single word, Positive, Neutral or Negative. 
Assistant: Negative.