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What I should set as x,y,z after I have done clustering process?

Hello! I'm very new for studying data sci. My teacher order me to do this project. This project is about text analytics which I did about Hotel review which rating score from 1-5 star. Also, teascher order to use SVD to make cluster is better. I have done the process like this

Image: https://us.v-cdn.net/6030995/uploads/editor/03/b64dhs1fbt8w.png

Image: https://us.v-cdn.net/6030995/uploads/editor/gv/wblxn0s2oyz3.png

and got the result like this

Image: https://us.v-cdn.net/6030995/uploads/editor/1y/dhtog9mw7abc.png

Image: https://us.v-cdn.net/6030995/uploads/editor/ic/wjucbr3dr96g.png

Image: https://us.v-cdn.net/6030995/uploads/editor/9i/du2024vzwo4d.png

Image: https://us.v-cdn.net/6030995/uploads/editor/hc/iht09m911n46.png

, but I don't know what I have to set as x,y,z the example of graph that teacher gave me is like this

Image: https://us.v-cdn.net/6030995/uploads/editor/jm/cyl142yw1569.png

Please help me out. I'm studying online by just watching recorded videos from website. I don't have anyone to ask any question. I tried to find the solution for weeks. Thank you