Please choose the correct ending to complete the given sentence: Youth: [header] How to be a popular guy at a dance venue [title] Learn several dance steps. [step] There are many places to learn various dances. Dance studios teach dance classes for a fee.

Ending1: One of the most commonly discussed steps in rehearsals is the following : [substeps] Crouching down on stage with one foot placed on the floor out in front of you on the opposite side of the dance floor. Lie on the floor on your back without your hair obscuring the floor. Ending2: Many dance venues offer a dance lesson before the dancing starts. The class is usually included in the admission cost for no additional charge. Ending3: [title] Determine if you want dancing in front of other people or dancing on a private dance floor. [step] Private dances do not need to be rented. Ending4: Ballroom dancing is a simple, individual dance. Ballroom is nothing but a combination of step styles.

Answer format: ending1/ending2/ending3/ending4