Prompt: Create a 10-second realistic birthday video featuring the EXACT group TWICE (트와이스), the South Korean girl group formed by JYP Entertainment. IMPORTANT: The video must feature the nine real members of TWICE: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu. Do NOT use any other K-pop group, girl group, or fictional characters. Do NOT substitute the members with members of another group. SCENE: All nine members of TWICE are together at a beautiful, colorful birthday celebration. They are holding a large birthday cake with lit candles, smiling naturally and looking at the camera. The background has balloons, sparkling lights, and birthday decorations. TIMING: 0–2 seconds: All nine members hold the birthday cake and smile at the camera. 2–6 seconds: All nine members sing a very short version of the traditional “Happy Birthday” song together. 6–10 seconds: They stop singing, look directly at the camera, smile, and say together clearly and enthusiastically in English: “Zahra, happy birthday!” IMPORTANT: The final sentence “Zahra, happy birthday!” is the highest priority and must be spoken clearly and completely during the final 4 seconds. Do not cut off, shorten, translate, or replace it. Do not add any dialogue after it. Keep all nine TWICE members visible during the final message. Use realistic facial expressions, natural movement, accurate lip synchronization, cinematic lighting, and high-quality visuals.