You push the buttons under the letters on the rock wall. Nothing happens for a moment. Then there is a rumbling noise.
gggrrrrrrrRRRRRRRRRRRRRRRRRRR
The rumbling stops. You look around your banana-colored room. Nothing seems to have changed, until you look directly behind you.
There is a picture there:
It appears to be a printed-out screenshot of the 'Be Nice' policy on your favorite site, Puzzling.SE.
You turn it over. This is on the back:
liap-liap-lwb lwb-lwb-liap lwb-lwb-lwb-liap lwb-lwb-liap-lwb lwb-lwb-lwb-liap lwb-lwb-liap-lwb lwb-liap-liap-lwb lwb-lwb-lwb liap-liap-lwb-lwb liap-lwb-liap-lwb liap-lwb-liap-liap lwb-liap-lwb liap-liap-lwb lwb-liap-lwb liap-lwb-liap-liap lwb-lwb-lwb-liap lwb lwb lwb-liap-lwb liap-lwb-liap-liap lwb-liap-lwb lwb-lwb liap-lwb lwb-liap liap-liap-lwb lwb-lwb-liap-lwb liap-liap-lwb liap-lwb-lwb-lwb liap-lwb-liap-lwb lwb-liap-liap-liap liap-lwb liap-liap-lwb lwb-lwb-lwb-liap lwb-liap liap lwb-liap-lwb-lwb liap-lwb-lwb-lwb lwb-lwb-lwb-lwb lwb liap-liap-lwb lwb-lwb-lwb-liap liap-liap-lwb-lwb lwb-liap-lwb lwb-lwb-liap lwb-liap-lwb lwb lwb-liap-lwb