Please choose the correct ending to complete the given sentence: Doing karate: There are some girls wearing karate uniforms doing karate on a stage. there

Ending1: 's a couple doing red shirts on a stage. Ending2: 's an orange belt and a yellow belt karate student doing some karate moves with batons in their hands. Ending3: are acacia, in a yellow, sleeveless shirt with colorful sleeves and karate tights. Ending4: is a lot of music, jumprope, and other music here as well as dancing.

Answer format: ending1/ending2/ending3/ending4