Actually it was only an output neuron, and for me it is the same if you call it cluster or not. It just learnt sentiment without any hint. Now I wonder if they

Actually it was only an output neuron, and for me it is the same if you call it cluster or not. It just learnt sentiment without any hint. Now I wonder if they can train it again and get the same sentiment neuron, that would mean something. Like sentiment is necessary to predict the next character? (word?)