Read the following article and answer the question by choosing from the options.

Then Aoi and Uruha had that interesting little duet , that led right into GENTLE LIE and CALM ENVY . And the stage was finally well lit . It was during CALM ENVY that the giant disco ball came out of nowhere ( seriously , I do n't know where they wer hiding that thing o_O ) . And I was like " oh , a giant disco ball .

What nay happen after the ball cane out ?
Select from:
+ None of the above choices .;
+ We ordered drinks .;
+ We started dancing .;
+ We left the club .;...A:
We started dancing .