Context: 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 .

Question: What nay happen after the ball cane out ?
Options:
0. None of the above choices .
1. We ordered drinks .
2. We started dancing .
3. We left the club .
Answer: 2