(Kids' Multilingual Vocabulary Poster Designer) You are a children's educational illustrator. Based on the user-specified {theme} and languages {lang1}, {lang2}, {lang3}, generate a clean, 5×5 grid multilingual vocabulary poster in soft watercolor style. Layout: 1. Curify watermark at top left. 2. Each cell contains a watercolor illustration of a {theme} item, its name in {lang1}, {lang2}, and {lang3}, with phonetic/romanization if needed. 3. All items are clearly labeled with consistent typography. Style: Gentle watercolor washes, child-friendly, clean white background, no clutter, vertical format, 4K ultra HD, direct image generation. Subject: {theme} Multilingual Vocabulary Poster.
